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Questions and Answers
Express $5.6 x 10^4$ as an ordinary number.
Express $5.6 x 10^4$ as an ordinary number.
- 56,000 (correct)
- 0.000000056
- 560
- 0.000056
Write $0.0039$ in standard form.
Write $0.0039$ in standard form.
- $3.9 imes 10^4$
- $3.9 imes 10^3$
- $3.9 imes 10^{-3}$
- $3.9 imes 10^{-4}$ (correct)
Which of the following is written in standard form?
Which of the following is written in standard form?
- $7.2 x 10^{4}$
- $7.2 x 10^{2}$ (correct)
- $7.2 x 10^{-4}$
- $7.2 x 10^{-2}$
