Here are the answers:
3,000
3 X 3,000
3 X 103
39,000,000
39 X 1,000,000
39 X 106
982,600,000
9826 X 100,000
9826 X 105
We can also write any number less than 1 in scientific notation, using negative powers of 10:
0.003 = 3 X 0.001 = 3 X 10-3
0.00000004 = 4 X 0.00000001 = 4 X 10-8
0.000025 = 25 X 0.000001 = 25 X 10-6
Try these:
0.00007 |
7 X ? |
7 X 10? |
0.027 |
? |
? |
0.0000000000003 |
? |
? |
Check your answers and move on.
Questions? Ask the designer, Jim Heath
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