Perform the following calculations and give your answer with the correct number of significant figures a. 0.1886 x 12
b. 2.995 - 0.16685
c. 910 x 0.18945

see below

Explanation:

a. 0.1886 x 12 =2.2632

This has 2 sig figures so the answer can only have 2 sig figures

2.3

b. 2.995 - 0.16685 =2.82815

The most accurate in the problem is to thousands place so our answer can only be accurate to the thousands place

2.828

c. 910 x 0.18945=172.3995

The  least number of significant figures is 3 so the answer can only have 3 significant figures

172

car a and b are moving in opposite directions

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