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Scientific Notation Practice Quiz
Question 1: Write the number 99 in scientific notation:
9.9x1
9.9x10
9.9x100
9.9x10
-2
9.9x10
2
Question 2: Write the number 7.2x10
-4
in ordinary form:
0.00072
0.0072
0.072
0.72
7.2
Question 3: Write the number 330×10
3
in ordinary form:
33,000,000
3,300,000
330,000
33,000
3,300
Question 4: The average radius of the Earth is 6.371x10
3
km. Write this in standard number form.
637,100
63,710
6,371
637.1
63.71
Question 5: The speed of sound at sea level is 3.4029x10
2
m/s. Write this in standard number form.
34.029 m/s
340.29 m/s
3,402.9 m/s
34,029 m/s
340,29 m/s
Press the Submit button to see the results.