Coleman Simpson
07/21/2023 · Middle School

Write the number in standard notation: \( 4.31 \times 10^{7} \) A. 0.000000431 B. \( 431,000,000 \) C. \( 4,310,000 \) D. \( 43,100,000 \)

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To convert the number \( 4.31 \times 10^{7} \) into standard notation, we need to move the decimal point 7 places to the right (since the exponent is positive). Starting with \( 4.31 \): 1. Move the decimal point 1 place to the right: \( 43.1 \) 2. Move the decimal point 2 places to the right: \( 431 \) 3. Move the decimal point 3 places to the right: \( 4310 \) 4. Move the decimal point 4 places to the right: \( 43100 \) 5. Move the decimal point 5 places to the right: \( 431000 \) 6. Move the decimal point 6 places to the right: \( 4310000 \) 7. Move the decimal point 7 places to the right: \( 43100000 \) Thus, \( 4.31 \times 10^{7} = 43,100,000 \). The correct answer is: **D. \( 43,100,000 \)**.

Quick Answer

The number \( 4.31 \times 10^{7} \) in standard notation is \( 43,100,000 \). Therefore, the correct answer is D. \( 43,100,000 \).
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