10 Questions
| Total Attempts: 930

Questions and Answers

- 1.How many significant figures are in the following value: 351.0 cm
- 2.Bob measured the width of a cardboard box to be 640 cm. As written, which of the following digits in his measurement is/are significant? Check all that apply.
- A.
6

- B.
4

- C.
0

- 3.Sally found that the mass of an unknown solid is 0.5200 g. True or False: The rightmost zero in 0.520
__0__g is a significant digit.- A.
True

- B.
False

- 4.2.55 mL + 45.723 mL + 0.30 mL = _____. (The correct answer will have the correct number of significant figures.)
- A.
48.573 mL

- B.
48.57 mL

- C.
48.6 mL

- D.
49 mL

- 5.4.56 km * 35.6 km = _____ km. (Note: the correct answer will have the correct number of significant figures.)
- 6.How many significant figures are in the answer for the following calculation?:
- A.
2

- B.
3

- C.
4

- D.
5

- 7.Vance wants to write the number 5670000 in scientific notation. Fill in the blank:
- 8.Express the number 0.000466 in scientific notation by filling in the exponent:
- 9.Express the following number in expanded form:
- A.
78,600

- B.
7,860

- C.
768

- D.
76.8

- 10.Express the following number in expanded form:
- A.
0.000002563

- B.
0.00002563

- C.
2,563

- D.
256,300

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