NCERT Solutions Class 8 Mathematics Chapter 12 Exponents And Powers

Exercise 12.1 Q.1) Evaluate: i) 3−2 ii) (−4)−2 iii) (1/5) −5 Sol.1) = 3−5+5 × 2−5+5 × 5−2+7 = 30 × 20 × 55 = 1 × 1 × 3125 = 3125 Exercise 12.2 Q.1) Express the following numbers in standard form: (i) 0.0000000000085 (ii) 0.…