Simplify and Express the Result in Power Notation with Positive Exponent. (-4)5 ÷ (-4)8 - Mathematics

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

(-4)5 ÷ (-4)8

Solution

(−4)5 ÷ (−4)8 = (−4)5 − 8 (am ÷ an = am − n)

= (− 4)−3

= 1/(-4)^3     "       "(a^(-m) = 1/a^m)

Concept: Powers with Negative Exponents
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APPEARS IN

NCERT Class 8 Maths
Chapter 12 Exponents and Powers
Exercise 12.1 | Q 2.1 | Page 197