Expressing Numbers In Scientific Notation Worksheet With Answer Key Page 2
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2Name :
Score :
Answer key
Example:
Write 0.000000743 in scienti c notation.
We should move the decimal point 7 places to the right. So, the exponent will be -7.
0 . 0 0 0 0 0 0 7 4 3
7.43 × 10
0.000000743 =
Express each number in scienti c notation.
3.4 × 10
1) 0.0000000000034
=
4.08 × 10
2) 0.0000000408
=
9.2 × 10
3) 0.0000000000000092 =
2.726 × 10
4) 0.0000002726
=
5.17 × 10
5) 0.000000000000517 =
4.5 × 10
6) 0.0000045
=
2.149 × 10
7) 0.0000002149
=
6.23 × 10
8) 0.00000000623
=
2.8 × 10
9) 0.000000000000028 =
1 × 10
10) 0.000000001
=
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