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26 January, 22:21

Which expression is equivalent to (9.5 * 105) - (2.3 * 104) ?

a. 7.2 * 10

b. 9.27 * 10

c. 7.2 * 105

d. 9.27 * 105

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Answers (1)
  1. 26 January, 22:32
    0
    Hello:

    (9.5 * 105) - (2.3 * 104) = (9.5 * 105) - (2.3 * (105-1))

    = (9.5 * 105) - (2.3 * 105) + 2.3

    105 (9.5-2.3) + 2.3 = 105*7.2 + 2.3 (answer : C) ...

    Add 2.3 to your statement ... !
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