Question

Round three significant figures 12.3456

Answer 1

12.4

Explanation:

12.3456

first you would round the 5 to a 6, the round the 4 to a 5, because the six is greater than five, than you would change the 3 to a 4, because the four that was changed to a five now is big enough to change the number.

Answer 2

12.3

Explanation:

Round it where you have 3 numbers that are not 0.

12.3456

round to the hundredths place

12.34 (round to 4)

12.3 (3 sigfigs)