Exponents and Powers Class 8 Worksheet

# Exponents and Powers Class 8 Worksheet

## Exponents and Powers Class 8 Worksheet

Maths worksheets play a vital role in strengthening the maths concepts. After studying the concepts of mathematics, revision of questions related to that particular topic is very important for the students. This assesses the preparation of the students. Students can assess themselves by its own by solving the worksheets problems. Parents and teachers can also assess the students by giving them these worksheets to the students to solve.

Maths-formula brings such worksheets on exponents and powers class 8 for you. By solving these worksheets, you can increase the understanding of the concepts learnt. These worksheets are prepared by experienced teachers and subject matter experts.

Thus, let us try to attempt these questions to solve and assess yourself. Parents and teachers can also give these questions to the students to test them. Unit tests can also be prepared by the teachers using these questions.

## Exponents and Powers Class 8 Worksheet

1. Fill in the blanks using laws of exponents.

a. am × an = __________ .

b. If 648 = 2m × 3n, then m = __________, and n = _____ .

c. (30 + 40) (60 – 30) = __________ .

d. If (2–3x)2 = 43, then x = __________ .

e. am ÷ an = __________ .

f. The value of 43 is ____________.

g. The exponential form of 7 × 7 × 7 × ... multiplied 6 times is ____________.

h. Another expression for 57 × y7 is ____________.

i. The value of (22)3 is ____________.

j. The simplified form of x8 ÷ x5 is ____________.

k. The exponential form of 100 is ____________.

l. The simplified form of (33)2 × (32)3 is ____________.

m. 10000 __________

2. Write the following in exponential form.

a. 2 × 2 × 2 × 2 × 2 × 2 × 2

b. 7 × 7 × 7 × 7 × 7 × 7 × 7 × 7

c. 11 × 11 × 11 × 11 × 11 × 11 × 11

d. -5 × -5 × -5 × -5 × -5 × -5

3. Write the value of the following exponents.

a. 28                b. 34                   c. 53                  d. 74                    e. 44

4. Simplify the following and write in exponential form.

a. (32)3 × (33)2                                                                c. (22)4 × (22)3 × (23)2 × (24)2

c. (44)3 × (42)5                                                                d. (54)3 × (52)5 × (52)3

5. Simplify the following.

a. (33 × 34) ÷ 35                                                                b. (57 ÷ 54) × 52

c. (68 ÷ 65) × 63                                                                d. (72 × 73) ÷ 74

6. Write the following numbers in the scientific notation.

a. 13500000000                                      b. 73900000

c. 3720000                                               d. 418000000000

7. Write the following decimal in the scientific notation.

a. 0.000173                                           b. 0.0008293

c. 0.0000000246                                  d. 0.000000375

8. Write the following in the form of integers.

a. 3.58 × 105                                           b. 2.16 × 107

c. 1.25 × 108                                           d. 5.69 × 1010

9. Write the following in the form of decimals.

a. 1.54 × 10-4                                     b. 6.73 × 10-3

c. 7.14 × 10-6                                     d. 4.62 × 10-7

10. The speed of light is 30,00,00,000 m/s. Write it in standard form.

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