RS Aggarwal Class 7 Solutions Chapter 5 Exponents CCE Test Paper

In this chapter, we provide RS Aggarwal Solutions for Class 7 Chapter 5 Exponents CCE Test Paper for English medium students, Which will very helpful for every student in their exams. Students can download the latest RS Aggarwal Solutions for Class 7 Chapter 5 Exponents CCE Test Paper Maths pdf, free RS Aggarwal Solutions Class 7 Chapter 5 Exponents CCE Test Paper Maths book pdf download. Now you will get step by step solution to each question.

RS Aggarwal Solutions for Class 7 Chapter 5 Exponents CCE Test Paper Download PDF

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

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All Subject NCERT Exemplar Problems Solutions For Class 7

All Subject NCERT Solutions For Class 7

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