Evaluate 0.0025 \times 2.5 \times 10\(^2\) to 2 significant figures.
A
0.625 × 10-3
B
0.63 × 10-2
C
6.25 × 10-3
D
6.3 × 10-2
E
6.3 × 10-1
Verified Correct Answer: E.
Step-by-Step Mathematical Solution
0.0025 \times 2.5 \times 10\(^2\)
0.0025 \times 2.5 \times 10\(^2\) = 0.0025 x 2.5 x 100 = 0.625 ≈ 0.63 to 2 significant figures.
6.3 \times 10\(^{-1}\)
Source: Myschool Past Questions Archive (Record #42422)