Question

What is 3,482 to two significant figures?

Answer 1

To find the significant figures in a number,

Consider the last two digits of the number. If the last two digits are '50' or greater than '50', then add 1 to the hundredth digit and then replace the last two digits by zero and if the last two digits are less than '50', then no change in the hundredth place.

Now, consider the number 3,482.

Since the last two digits are 82 which is greater than 50.

Therefore, digit at hundredth place = 4+1 = 5

So, the number 3,482 to its significant figure is 3,500.

Therefore, 3,500 is the required number to its significant figures.