Question

Round each number to two sig.figs.

Answer 1

Answer:

13) 3.9

14) 12000

15) 6800

16) 110

17) 0.00049

18) 120

Explanation:

First we will look at the second digit of given values.

we will draw a line after second digit then we will look the digit after line.

It the digit after line which is 3rd digit is 5 or more than 5 then one will be added to the second digit.

It it is less than five then second digit remain same.

After this we will add zeros to the right till decimal point.

13) 3.948

Round to two significant figures = 3.9

14) 11561.06

Round to two significant figures = 12000

15) 6789.2

Round to two significant figures =  6800

16) 112.6

Round to two significant figures = 110

17) 0.00048888

Round to two significant figures = 0.00049

18) 119.999

Round to two significant figures =  120