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Mathematics
Mathematics
Problem
Evaluate the following expression and express your final answer in scientific notation correct to three significant figures:
[
(
4.6
×
10
−
3
)
×
(
9.2
×
10
5
)
]
÷
(
2.0
×
10
2
)
−
3.1
×
10
1
.
\left[\,(4.6\times10^{-3})\times(9.2\times10^{5})\,\right]\div(2.0\times10^{2})-3.1\times10^{1}.
[
(
4.6
×
1
0
−
3
)
×
(
9.2
×
1
0
5
)
]
÷
(
2.0
×
1
0
2
)
−
3.1
×
1
0
1
.
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