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2 June, 18:27

Perform the indicated operations. Express the result in scientific notation. (5.7 * 105) + (4.6 * 106) - (2.9 * 105)

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  1. 2 June, 22:10
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    1.3905 * 10^4

    Step-by-step explanation:

    First you should multiply all the two numbers inside the parentheses

    5.7 * 105=598.5

    4.6 * 106=487.6

    2.9 * 105=304.5

    Now add the three numbers

    598.5+487.5+304.5 = 1390.5

    scientific notation: Put the decimal after the first digit. To find the exponent count the number of places from the decimal to the end of the number.

    the answer in scientific notation: 1.3905 * 10^4
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