2. When multiplying or dividing measured numbers, we use the measurement with the least number of significant figures to determine the number of significant figures (sf) in our answer. For example:
3.5 cm x 4.75 cm = 17 cm2 (even though the calculator gives 16.675) Solve the following problems
assuming all are measured numbers. Report the correct number of significant figures.
a. 7.00 x 15.00 =
b. 40.2 . 1.901 =
c. (0.003)(13.2) =
d. 1.590 ÷ 0.3975 =

a. 105

b. 76.4

c. 0.04

d. 4.000

Explanation:

Question a. has three significant figures

Question b. has three significant figures

Question c. has one significant digit (only the 3 is significant in the question, zeros are only significant if they are trailing with the presence of a decimal point or in between two non-zero numbers)

Question d. has four significant figures

the movement of aircraft through clouds can even cause lightning strikes. a single lightning event is a "flash", which is a complex, multi-stage explosively ejected.

explanation:

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