Convert the given decimal fractions to per cents:

(a) 0.65

(b) 2.1

(c) 0.02

(d) 12.35

(a) We need to convert 0.65 into percent

Therefore,

0.65 = 0.65 × 100 %

= %

= 65 %

(b) We need to convert 2.1 into percent

Therefore,

2.1 = 2.1 × 100 %

= %

= 210 %

(c) We need to convert 0.02 into percent

Therefore,

0.02 = 0.02 × 100 %

= %

= 2 %

(d) We need to convert 12.35 into percent

Therefore,

12.35 = 12.35 × 100 %

= %

= 1235 %