Simplify:(i) 3 × 102(ii) 22 × 53(iii) 33 × 52

1.	Simplify:(i) 3 × 102(ii) 22 × 53(iii) 33 × 52
Answer» (i) Given 3 × 10² 3 × 10² = 3 × 10 × 10 = 3 × 100 = 300 (ii) Given 2² × 5³ 2² × 5³ = 2 × 2 × 5 × 5 × 5 = 4 × 125 = 500 (iii) Given 3³ × 5² 3³× 5² = 3 × 3 × 3 × 5 × 5 = 27 × 25 = 675

Answer»

(i) Given 3 × 10²

3 × 10²

= 3 × 10 × 10

= 3 × 100

= 300

(ii) Given 2² × 5³

2² × 5³

= 2 × 2 × 5 × 5 × 5

= 4 × 125

= 500

(iii) Given 3³ × 5²

3³× 5²

= 3 × 3 × 3 × 5 × 5

= 27 × 25

= 675

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