Grade 7 - Exponents Worksheet 2
1. 9 is a rational number. What is the exponent here?
a) 0 b) 1
c) 2 d) −1
2. If (−8)5 is the expression, then what is the base and exponent?
a) Base = 8 and Exponent = 5
b) Base = 5 and Exponent = 8
c) Base = −8 and Exponent = 5
d) None of these
3. If the base is -3⁄5 and exponent is 3, then what is the exponential expression?
a) (3⁄5)3 b) (-3⁄5)3
c) (5⁄3)3 d) None of these
4. (p3q5)2 = _____.
a) p3q5 b) p5q7
c) p6q7 d) p6q10
5. (22)3 = _____.
a) 32 b) 46
c) 64 d) 128
6. (1000)3 = _____.
a) 1 b) 0
c) 2 d) 100
7. (55)0 − (80)4 = _____.
a) 1 b) −3
c) 0 d) None of these
8. (−5)2 × (−1)99 = _____.
a) 25 b) −25
c) 50 d) None of these
9. (−4)7 ÷ (−4)5 = _____.
a) 4 b) 8
c) 16 d) −16
10. 9 × 9 × 9 × 5 × 5 × 5 × 5 = _____.
a) 9253 b) 9354
c) 9353 d) None of these
11. If (−2)n = 256, then what is the value of 'n'?
a) 5 b) 6
c) 7 d) 8
12. Find the value of (5-1 − 6-1)-1.
a) 30 b) 1⁄30
c) -1⁄30 d) None of these
13. (25)3 ÷ 210 = _____.
a) 32 b) 8
c) 16 d) 4
14. (52)4 × (53)4 = _____.
a) 58 b) 512
c) 520 d) None of these
15. (50 + 50) x 102 = _____.
a) 100 b) 200
c) 300 d) 400
16. {(52)3 ÷ 52} x 55 = _____.
a) 55 b) 54
c) 59 d) None of these
17. {(35)2 x 53} ÷ (93 x 5) = _____.
a) 2052 b) 2025
c) 2252 d) None of these
18. (36 × 104 × 52) ÷ (33 × 24 × 55) = _____.
a) 135 b) 153
c) 513 d) None of these
19. By what number should we multiply 55 so that the product is 59.
a) 55 b) 53
c) 52 d) 54
20. By what number should we multiply (−5)-1 so that the product will be 10-2.
a) 10 b) -1⁄20
c) 20 d) None of these
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Exponents Worksheet-2Download the pdf
Answer Sheet
Exponents-AnswerDownload the pdf
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