Question

Which of the following is most accurate measurement:
2 points
3 × 10^(-2) cm
0.030 cm
300 × 10^(-4) cm
30 × 10^(-3) cm

Answer 1

$answer$

$0.030$

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Answer 2

Answer:

The correct option is 300 ×$10^{-4}$ cm.

• To express any number we have to express it in terms of scientific notations. Like 2.5 × 10^(2).

• Hence 0.03 have to express in scientific notation.

• It is given as 300 ×$10^{-4}$

Hence the answer is 300 ×$10^{-4}$cm.

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