Ch – 12 Exponents & Powers

Q.1: Express:

a) 2187 as a power of 3

b) 625 as a power of 5

c) 1024 as a power of 4

Q.2: Find the multiplicative inverse of the following:

a) 4 (-2)

b) 3 (-3)

c) 11 (-10)

Q.3: Simplify and express the result in power notation with positive exponent:

a) p11 x p(-5)

b) 4(-3) x 4(-4)

c) (-3)6 x (-3) (-6)

Q.4: Find the value of:

a) (-3)0 + (-100)0

b) 2(-3) x 2(-4) + 70

c) (1/4)(-2) + (1/3)(-2)

Q.5: Find the value of m:

a) 6m x 6(-2) = 65

b) 1110 / 11m = 114

Q.6: Write the following numbers in standard form:

a) 162200000

b) 3136000

c) 0.00036

Q.7: Express the following numbers in usual form:

a) 4.4445 x 108

b) 3.36 x 106

c) 45.8 x 10(-5)

Published by Priya Prakash

In the midst of winter, i found there was within me an invincible summer ~ Albert Camus

7 thoughts on “Ch – 12 Exponents & Powers

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