Dressler Math 098 F 09 - Worksheet Section 7.1 V01 With Answer Key Page 2
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6Worksheet Section 7.1 v01
12. Estimate the scientific notation expression, and then check with a calculator.
(
)(
)
×
0
×
1
2.0 10
2.5 10
13. Estimate the scientific notation expression, and then check with a calculator.
(
)(
)
×
–3
×
0
8.0 10
7.0 10
14. Estimate the scientific notation expression, and then check with a calculator.
(
)(
)
×
–2
×
–5
9.0 10
4.0 10
15. Estimate the scientific notation expression, and then check with a calculator.
)(
)
(
×
3
×
–1
5.0 10
1.5 10
16. Estimate the scientific notation expression, and then check with a calculator.
)(
)
(
×
–1
×
–4
2.0 10
4.5 10
17. Estimate the scientific notation expression, and then check with a calculator.
(
)(
)
×
–4
×
–3
4.0 10
4.0 10
18. Estimate the scientific notation expression, and then check with a calculator.
(
)(
)
×
–5
×
–5
5.0 10
5.0 10
19. Estimate the scientific notation expression, and then check with a calculator.
×
4
5.4 10
×
1
0.9 10
20. Estimate the scientific notation expression, and then check with a calculator.
×
6
7.2 10
×
3
0.8 10
Dressler Math 098 F 09 Page 2
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