CBSE Class 7

RS Aggarwal Class 7 Solutions Chapter 5 Exponents CCE Test Paper

These Solutions are part of RS Aggarwal Solutions Class 7. Here we have given RS Aggarwal Solutions Class 7 Chapter 5 Exponents CCE Test Paper.

Other Exercises

• RS Aggarwal Solutions Class 7 Chapter 5 Exponents Ex 5A
• RS Aggarwal Solutions Class 7 Chapter 5 Exponents Ex 5B
• RS Aggarwal Solutions Class 7 Chapter 5 Exponents Ex 5C
• RS Aggarwal Solutions Class 7 Chapter 5 Exponents CCE Test Paper

Question 1.
Solution:

Question 2.
Solution:
Let the required number be x

Question 3.
Solution:
Let the required number be x.
(-20)^-1 ÷ x = (-10)^-1

Question 4.
Solution:
(i) 2000000 = 2.000000 x 10⁶ [Since the decimal point is moved 6 to the left]
= 2 x 10⁶
(ii) 6.4 x 10⁵ = 6.4 x 100000 = 640000

Question 5.
Solution:
We have :

Question 6.
Solution:
We have :

Mark (✓) against the correct answer in each of the following :
Question 7.
Solution:

Question 8.
Solution:

Question 9.
Solution:

Question 10.
Solution:

Question 11.
Solution:

Question 12.
Solution:
(c) 3.263 x 10⁵
A given number is said to be in standard form if it can be expressed as
k x 10n, where k is a real number such that 1 < k < 10 and n is a positive integer.
For example : 3.263 x 10⁵

Question 13.
Solution:

Question 14.
Solution:
(i) True
645 = 6.45 x 10²
[Since the decimal point is moved 2 places to the left]
(ii) False
27000 = 2.7 x 10⁴
[Since the decimal point is moved 4 places to the left]
(iii) False
(3° + 4° + 5°) = 1
(iv) False
Reciprocal of 56 = Reciprocal of

Hope given RS Aggarwal Solutions Class 7 Chapter 5 Exponents CCE Test Paper are helpful to complete your math homework.

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RS Aggarwal Class 7 Solutions Chapter 5 Exponents Ex 5C

These Solutions are part of RS Aggarwal Solutions Class 7. Here we have given RS Aggarwal Solutions Class 7 Chapter 5 Exponents Ex 5C.

Other Exercises

• RS Aggarwal Solutions Class 7 Chapter 5 Exponents Ex 5A
• RS Aggarwal Solutions Class 7 Chapter 5 Exponents Ex 5B
• RS Aggarwal Solutions Class 7 Chapter 5 Exponents Ex 5C
• RS Aggarwal Solutions Class 7 Chapter 5 Exponents CCE Test Paper

OBJECTIVE QUESTIONS
Mark (✓) tick against the correct answer in each of the following :
Question 1.
Solution:
(d)

Question 2.
Solution:
(c)

Question 3.
Solution:
(c)

Question 4.
Solution:
(b)

Question 5.
Solution:
(c)

Question 6.
Solution:
(b)

Question 7.
Solution:
(b)

Question 8.
Solution:
(a)

Question 9.
Solution:
(c)

Question 10.
Solution:
(b)

Question 11.
Solution:
(b)

Question 12.
Solution:
(b)

Question 13.
Solution:
(d)

Question 14.
Solution:
(a)

Question 15.
Solution:
(c)

Question 16.
Solution:
(a)

Question 17.
Solution:
(c)

Question 18.
Solution:
(b)

Question 19.
Solution:
(c)

Question 20.
Solution:
(c)
Required number = 10^-1 ÷ (-8)^-1

Question 21.
Solution:
(c)
The number which is in standard form is 2.156 x 10⁶

Hope given RS Aggarwal Solutions Class 7 Chapter 5 Exponents Ex 5C are helpful to complete your math homework.

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RS Aggarwal Class 7 Solutions Chapter 5 Exponents Ex 5B

These Solutions are part of RS Aggarwal Solutions Class 7. Here we have given RS Aggarwal Solutions Class 7 Chapter 5 Exponents Ex 5B.

Other Exercises

• RS Aggarwal Solutions Class 7 Chapter 5 Exponents Ex 5A
• RS Aggarwal Solutions Class 7 Chapter 5 Exponents Ex 5B
• RS Aggarwal Solutions Class 7 Chapter 5 Exponents Ex 5C
• RS Aggarwal Solutions Class 7 Chapter 5 Exponents CCE Test Paper

Question 1.
Solution:
We can write in standard form
(i) 538 = 5.38 x 10²
(ii) 6428000 = 6.428000 x 10⁶ = 6.428 x 10⁶
(iii) 82934000000 = 8.2934000000 x 10¹⁰ = 8.2934 x 10¹⁰
(iv) 940000000000 = 9.40000000000 x 10¹¹ = 9.4 x 10¹¹
(v) 23000000 = 2.3000000 x 10⁷ = 2.3 x 10⁷

Question 2.
Solution:
(i) Diameter of Earth = 12756000 m = 1.2756000 x 10⁷m = 1.2756 x 10⁷ m
(ii) Distance between Earth and Moon = 384000000 m = 3.84000000 x 10⁸ = 3.84 x 10⁸
(iii) Population of India in March 2001 = 1027000000 = 1.027000000 x 10⁹ = 1.027 x 10⁹
(iv) Number of stars in a galaxy = 100000000000 = 1.00000000000 x 10¹¹ = 1 x 10¹¹
(v) The present age of universe = 12000000000 years = 1.2000000000 x 10¹⁰ years = 1.2 x 10¹⁰ years

Question 3.
Solution:
The expanded form will be
(i) 684502 = 6 x 10⁵ + 8 x 10⁴ + 4 x 10³ + 5 x 10² + 2
(ii) 4007185 = 4 x 10⁶ + 0 x 10⁵ + 0 x 10⁴ + 7 x 10³ + 1 x 10² + 8 x 10¹ + 5 x 10⁰
(iii) 5807294 = 5 x 10⁶ + 8 x 10⁵ + 0 x 10⁴ + 7 x 10³ + 2 x 10² + 9 x 10¹ + 4 x 10⁰
(iv) 50074 = 5 x 10⁴ + 0 x 10³ + 0 x 10² + 7 x 10¹ + 4 x 10⁰

Question 4.
Solution:
(i) 6 x 10⁴ + 3 x 10³ + 0 x 10² + 7 x 10¹ + 8 x 10⁰
= 60000 + 3000 + 0 + 70 + 8
= 63078
(ii) 9 x 10⁶ + 7 x 10⁵ + 0 x 10⁴ + 3 x 10³ + 4 x 10² + 6 x 10¹ + 2 x 10⁰
= 9000000 + 700000 + 0 + 3000 + 400 + 60 + 2
= 9703462
(iii) 8 x 10⁵ + 6 x 10⁴ + 4 x 10³ + 2 x 10² + 9 x 10¹ + 6 x 10⁰
= 800000 + 60000 + 4000 + 200 + 90 + 6
= 864296

Hope given RS Aggarwal Solutions Class 7 Chapter 5 Exponents Ex 5B are helpful to complete your math homework.

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RS Aggarwal Class 7 Solutions Chapter 5 Exponents Ex 5A

These Solutions are part of RS Aggarwal Solutions Class 7. Here we have given RS Aggarwal Solutions Class 7 Chapter 5 Exponents Ex 5A.

Other Exercises

• RS Aggarwal Solutions Class 7 Chapter 5 Exponents Ex 5A
• RS Aggarwal Solutions Class 7 Chapter 5 Exponents Ex 5B
• RS Aggarwal Solutions Class 7 Chapter 5 Exponents Ex 5C
• RS Aggarwal Solutions Class 7 Chapter 5 Exponents CCE Test Paper

Question 1.
Solution:

Question 2.
Solution:

Question 3.
Solution:

Question 4.
Solution:

Question 5.
Solution:

Question 6.
Solution:

Question 7.
Solution:

Question 8.
Solution:

Question 9.
Solution:

Question 10.
Solution:

Question 11.
Solution:

Question 12.
Solution:
Product of two numbers = 4

Question 13.
Solution:

Question 14.
Solution:

Question 15.
Solution:

Question 16.
Solution:

Question 17.
Solution:

Question 18.
Solution:

Hope given RS Aggarwal Solutions Class 7 Chapter 5 Exponents Ex 5A are helpful to complete your math homework.

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RS Aggarwal Class 7 Solutions Chapter 4 Rational Numbers CCE Test Paper

These Solutions are part of RS Aggarwal Solutions Class 7. Here we have given RS Aggarwal Solutions Class 7 Chapter 4 Rational Numbers CCE Test Paper.

Other Exercises

• RS Aggarwal Solutions Class 7 Chapter 4 Rational Numbers Ex 4A
• RS Aggarwal Solutions Class 7 Chapter 4 Rational Numbers Ex 4B
• RS Aggarwal Solutions Class 7 Chapter 4 Rational Numbers Ex 4C
• RS Aggarwal Solutions Class 7 Chapter 4 Rational Numbers Ex 4D
• RS Aggarwal Solutions Class 7 Chapter 4 Rational Numbers Ex 4E
• RS Aggarwal Solutions Class 7 Chapter 4 Rational Numbers Ex 4F
• RS Aggarwal Solutions Class 7 Chapter 4 Rational Numbers Ex 4G
• RS Aggarwal Solutions Class 7 Chapter 4 Rational Numbers CCE Test Paper

Question 1.
Solution:

Question 2.
Solution:

Question 3.
Solution:
Let the required number be x.

Question 4.
Solution:
Let the other number be x.

Question 5.
Solution:

Question 6.
Solution:
Let the required number be x

Question 7.
Solution:
Length of rope = 45 m

Question 8.
Solution:

Mark (✓) against the correct answer in each of the following :
Question 9.
Solution:

Question 10.
Solution:

Question 11.
Solution:

Question 12.
Solution:

Question 13.
Solution:

Question 14.
Solution:

Question 15.
Solution:

Question 16.
Solution:

Question 17.
Solution:
(i) False.
This is because \(\frac { -15 }{ -11 }\) = \(\frac { 15 }{ 11 }\), which lies to the right of 0.
(ii) True
(iii) True
(iv) False
L.C.M. of 5 and 3 is 15.

Hope given RS Aggarwal Solutions Class 7 Chapter 4 Rational Numbers CCE Test Paper  are helpful to complete your math homework.

If you have any doubts, please comment below. Learn Insta try to provide online math tutoring for you.