Q96 of 196 Page 249

Express as a power of a rational number with negative exponent.

using laws of exponents , (a^m)ⁿ = a^(mn)

And , =

We have , = = =

∴ =

Express andas powers of a rational number.

Express and as powers of a rational number.

Express as a power of a rational number with negative exponent.

(2⁵ ÷ 2⁸) × 2^–7

Find the product of the cube of (–2) and the square of (+4).