0.9*0.007= ­­­­­­­­­­_________ Choose the most appropriate option.
A) 0.063
B) 0.0063
C) 0.63
D) 0.00063
E) 63

Rationale: 9 * 7 = 63 sum of decimal places = 4 so , 0.9 * 0.007 = 0.0063 answer : b
Answer: B