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4. Exponents and Powers
Home · Class 8 · Maths · Ref. Book · 4. Exponents and Powers
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Q7 of 53 Page 91

Find ‘x’ if

Given,

Then, find the value of x.



=


By comparing the powers of 2, we get


x = 3


x = 3


More from this chapter

All 53 →
6

Find the value of ‘n’ in each of the following:

(−3)n+1 × (−3)5 = (−3)−4

6

Find the value of ‘n’ in each of the following:

72n+1 ÷ 49 = 73

8

Simplify

9

If m = 3 and n = 2 find the value of

9m2 – 10n3

Questions · 53
4. Exponents and Powers
1 1 1 1 2 2 2 2 2 3 3 4 4 4 4 4 4 5 5 6 6 6 7 8 9 9 9 9 10 1 1 1 1 1 2 2 2 2 2 2 3 3 3 3 3 3 3 4 5 5 5 5 5
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