1.   Find the prime factorization of 180.
    A. 180 • 801 B. 7 + 11 + 161
    C. 22 • 32 • 5 D. 1 • 8 + 8 • 0
    Hint

  2.   Find the prime factorization of 40.
    A. 4 • 0 + 0 • 4 B. 40 • 04
    C. 23 • 5 D. 2 + 7 + 31
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  3.   Write the decimal in standard form: six and five tenths.
    A. 6 + 5 + 10 B. 6.5
    C. 1.1 D. 6,510
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  4.   Write the decimal in standard form: twenty-nine thousandths.
    A. 0.29 B. 29,000
    C. 0.29 D. 0.029
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  5.   The area of a room was two hundred thirty-seven and four hundred seventy-one thousandths square feet. Write this decimal in standard form.
    A. 237.0471 B. 23.471
    C. 237 + 471 + 1,000 D. 237.471
    Hint