We are asked for the number of significant figures in the answer to the problem.

The number of significant figures depends on the operation we use:

1. **addition or subtraction** - the ** least** number of

2. **multiplication or division**** **- the ** least** number of

We operate the ones in the brackets first in this order : () → [] → {}

How many significant figures are there in the answer for the following problem?

A) one

B) two

C) three

D) four

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What scientific concept do you need to know in order to solve this problem?

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