9.8 × 10.2 = ……………….A) 39.55 B) 91.99 C) 99.96 D) 96.9

1.	9.8 × 10.2 = ……………….A) 39.55 B) 91.99 C) 99.96 D) 96.99
Answer» Correct option is C) 99.96 Correct option is (C) 99.96 9.8 \(\times\) 10.2 = (10 - 0.2) \(\times\) (10+0.2) \(=10^2-(0.2)^2\) = 100 - 0.04 = 99.96

9.8 × 10.2 = ……………….A) 39.55 B) 91.99 C) 99.96 D) 96.99

Answer»

Correct option is C) 99.96

Correct option is (C) 99.96

9.8 \(\times\) 10.2 = (10 - 0.2) \(\times\) (10+0.2)

\(=10^2-(0.2)^2\)

= 100 - 0.04 = 99.96