Question

६. यदि 0.42 x 100k = 42 हो, तो k का मान कितना है? (2) 2 (1) 4 (3) 1 (4) 3

11th - 12th Class

Maths

Solution

189

4.0 (1 ratings)

5. (3) ( 0.42 times 100^{k}=42 ) ( Rightarrow frac{42}{100} times 100^{k}=42 ) ( Rightarrow 100^{k}=frac{42 times 100}{42}=100^{1} ) ( Rightarrow mathrm{k}=1 )