Question

Which values have exactly three significant figures? Check all that apply.

0.0230 grams
0.035 ounces
0.804 inches
3.150 liters
140 feet
509 kilometers

Answer 1

1,3,5,6

Answer 2

oh not 5 srry

Answer 3

In 140, the zero is a plce holder, so it's not significant.

Answer 4

I was about say not 5 xD

Answer 5

^place

Answer 6

A zero is significant if it is not a place holder, or if it is a place holder between two non-zero digits.