1.Write the number in standard form: 7.1x10^4
A)710
B)7,100
C)71,000
D)710,000***
2.Write the number in standard form: 5.01x10^-3
A)5,010
B)0.501
C)0.0501
D)0.00501***
3.Multiply (2.0x10^4)(3.0x10^3)=?
A)6.0x10^7***
B)6.0x10^12
C)6.0x10^5
D)6.0x10^43
Add. (7.0x10^6)+(2.0x10^6)=?
A)9.0x10^4
B)9.0x10^12***
C)9.0x10^6
D)9.0x10^10
Answers for this are
1.C
2. D
3. B,D
4. A
5. C
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1. (C) 71,000
2. (D) 0.00501
3. (B) 1.1 times 10^4 and D 6.01 times 10^-4
4. (A) 6.0 times 10^12
5. (C) 9.0 times 10 superscript 6 baseline
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1. Wrong. Check your answer.
2. Correct.
3. Correct.
4. Wrong. Check your answer.
If you're not sure about the answer, try to convert the number to the standard form.