Problem 53P

Each number is supposed to be rounded to three significant figures. Correct the ones that are incorrectly rounded.

(a) 42.3492 to 42.4

(b) 56.9971 to 57.0

(c) 231.904 to 232

(d) 0.04555 to 0.046

Solution 53P

Each number is supposed to be rounded to three significant figures. Correct the ones that are incorrectly rounded.

(a) 42.3492 to 42.4

The answer is 42.3

(b) 56.9971 to 57.0

The answer is 57.0

(c) 231.904 to 232

The answer is 232

(d) 0.04555 to 0.046

The answer is 0.046