Discussion Forum



1)

If 1.125 x $10^{k}$- 0.001125, then the value of k is :


A) -4

B) -3

C) -2

D) -1

Answer:

Option B

Explanation:

$10^{k} = \frac{0.001125}{1.125}=\frac{1.125}{1125}=\frac{1.125\times 10^{3}}{1125\times 10^{3}}=\frac{1}{10^{3}}=10^{-3}$