Exponents and Powers Class 7 Worksheet

# Exponents and Powers Class 7 Worksheet

## Exponents and Powers Class 7 Worksheet

Exponents and Powers Class 7 Worksheets play a vital role in strengthening the maths concepts. After studying the concepts of mathematics, revision of Exponents and Powers Class 7 Worksheets is very important for the students. This assesses the preparation of the students. Students can assess themselves by its own by solving the Exponents and Powers Class 7 Worksheets. Parents and teachers can also assess the students by giving them these Exponents and Powers Class 7 Worksheets to solve.

Maths-formula brings such worksheets on exponents and powers class 7 for you. By solving these Exponents and Powers Class 7 Worksheets, you can increase the understanding of the concepts learnt. These Exponents and Powers Class 7 Worksheets are prepared by experienced teachers and subject matter experts. If you can solve the 90% of the questions correctly, it means your preparation is very good.

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 Exponents and Powers Class 7 Worksheets.

## Exponents and Powers Class 7 Worksheet

1. Fill in the blanks.

a. The reciprocal of 5/7 is __________ .

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

c. (50 + 60) (70 – 40) = __________ .

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

e. (–1)99 = __________ .

f. The value of 33 is ____________.

g. The exponential form of 9 × 9 × 9 × ... multiplied 9 times is ____________.

h. Another expression for 74 × y4 is ____________.

i. The value of (32)2 is ____________.

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

k. The exponential form of 16 is ____________.

l. The simplified form of (52)3 × (52)2 is ____________.

2. Write the following in exponential form.

a. 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3

b. 7 × 7 × 7 × 7 × 7 × 7

c. 13 × 13 × 13 × 13 × 13 × 13 × 13 × 13

d. -5 × -5 × -5 × -5 × -5 × -5 × -5

3. Write the value of the following exponents.

a. 26

b. 35

c. 73

d. 94

e. 45

13. Simplify the following and write in exponential form.

a. (22)3 × (23)2

b. (32)4 × (32)3 × (33)2 × (34)2

c. (54)3 × (52)5

d. (74)3 × (72)5 × (72)3

1. a. 7/5       b. 3; 4

c. 0           d. -1

e. -1          f. 27

g. 99         h. (7y)4

i. 81          j. x3

k. 24           l. 510

2. a. 39         b. 76

c. 138       d. (-5)7

3. a. 64         b. 243

c. 343       d. 6561

e. 1024

4. a. x3y5        b. -1000

c. 256        d. a26

5. a. 2/531441      b. 4/729

6. a. 9900         b. 1

c. 0                d. 1

7. a. 1/10000    b. (-3/7)5 × 1/b15

8. a. 412/314      b. (5/7)3

9. 1/216

10. 4096/531441

11. (15/11)9

12. 216

13. a. 212        b. 328

c. 522        d. 728

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