Calculate (0.73+0.071)(3.3 x 103), keeping only significant figures.
A) 2600
B) 2643
C) 2661
D) 2419
E) 3000

Name: Calculate (0.73+0.071)(3.3 x 103), keeping only significant figures. A) 2600 B) 2643 C) 2661 D) 2419 E) 3000
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Question

Calculate (0.73+0.071)(3.3 x 103), keeping only significant figures.
A) 2600
B) 2643
C) 2661
D) ​2419
E) ​3000

Quizplus · Accepted Answer

The sum (0.73 + 0.071) is 0.801, which has three significant figures. The product (0.801)(3.3 x 10^3) is 2643.3, but we must round to two significant figures (the least number in the multiplication), resulting in 2600.

Calculate (0.73+0.071)(3.3 X 103), Keeping Only Significant Figures