## 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 10^{6} [Since the decimal point is moved 6 to the left]

= 2 x 10^{6}

(ii) 6.4 x 10^{5} = 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 10^{5}

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 10^{5}

**Question 13.**

**Solution:**

**Question 14.**

**Solution:**

(i) True

645 = 6.45 x 10^{2}

[Since the decimal point is moved 2 places to the left]

(ii) False

27000 = 2.7 x 10^{4}

[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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