How many significant figures in the number 2900?

Answer 1

Ah, isn't that a lovely number, 2900? It has two significant figures, the 2 and the 9. Remember, significant figures are the digits that carry meaning contributing to the number's precision. Just keep painting with those numbers, my friend, and you'll create beautiful equations on your canvas of math.

Answer 2

The number 2900 has two significant figures. In scientific notation, it would be written as 2.9 x 10^3 to show that there are two significant figures. Trailing zeros after a decimal point or before a written decimal point are considered significant.

Answer 3

Two, but it could be 3 or 4.