13-09-2019
Physics

contestada

The masses of two metal blocks are measured. Block A has a mass of 8.45 g and Block B has a mass of 45.87 g. How many significant digits are expressed in these measurements? What is the total mass of block A plus block B? What is the number of significant digits for the total mass?

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lacrosseplayer96 lacrosseplayer96

13-09-2019

Answer:

3 sig figs total mass is 54.32g

Explanation:

It is 3 sig figs because that is the accuracy that Block A was measured to

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