alleryStart learning →100 cm = 1 m. Express 4 × 10^-3 cm in metres.
A4 × 10^5 m
B4 × 10^-3 m
C4 × 10^-5 m
D4 × 10^-1 m
Answer & Solution
Correct answer: C. 4 × 10^-5 m
Converting centimetres to metres divides the length by 100, lowering the exponent by two.
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