How many significant figures does 45000 have?

Answer 1

It is an ambiguous question. The answer is 2, 3, 4 or 5.

If counting in thousands: 43000, 44000, 45000 then 2

at the other extreme,

if counting in units: 44998, 44999, 45000 then 5.

Answer 2

45000 has two significant figures: 4 and 5. Trailing zeros at the end of a number without a decimal point are not considered significant.

Answer 3

Three - all nonzero numbers are significant.

Answer 4

Integers ending in 0 are ambiguous. The number has 2 or 3 sig figs.

Answer 5

The value of 456.70 has 5 significant figures.

Answer 6

Four of them

Answer 7

Three.

Answer 8

3 of them.

Answer 9

3 of them.

Answer 10

3 of them.