Quiz: Rounding Off

Quick Quiz - Rounding Off

Perform each of the following calculations and round off the answer to the appropriate number of significant digits. The answers follow at the bottom of the page.

Question 1

13 / 72 =

a. 0.18055
b. 0.1806
c. 0.181
d. 0.18
e. 0.2

Question 2

6.7 x 7.6 =

a. 50.920
b. 50.92
c. 50.9
d. 51
e. 50

Question 3

1.30 x 6.789 =

a. 8.8257
b. 8.826
c. 8.83
d. 8.82
e. 8.8
f. 9

Question 4

0.003 x 6.789 =

a. 0.020367
b. 0.02037
c. 0.0204
d. 0.020
e. 0.02

Question 5

2.0407 + 0.02 =

a. 2.0607
b. 2.061
c. 2.06
d. 2.1
e. 2

Question 6

4.03 - 4.021 =

a. 0.0090
b. 0.009
c. 0.01

Answers

Question 1

13 / 72 =

d. 0.18

Question 2

6.7 x 7.6 =

d. 51

Question 3

1.30 x 6.789 =

c. 8.83

Question 4

0.003 x 6.789 =

e. 0.02

Question 5

2.0407 + 0.02 =

c. 2.06

Question 6

4.03 - 4.021 =

c. 0.01

Top of Page

E-mail instructor: Eden Francis