Simplify (0.09)2 and give your answer correct to 4 significant figures
A
0.81
B
0.081
C
0.0081
D
8.0001
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
(0.09)2 = 0.09 × 0.09
= 0.0081
= 0.008100 to 4 significant figures
Please, start counting first from the non-zero digits i.e. 8
Source: Myschool Past Questions Archive (Record #40676)