Simplify 2^2 - y for x = 3 and y = -2.

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2^2 - y, where is x variable in this problem? Please clarify your math question. Thank you.

Expert answered|andrewpallarca|Points 26653|

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Asked 10/21/2013 8:51:31 AM

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When written in scientific notation, the number 7,250 will have what number as the exponent on the power of 10.

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Question

Updated 6/30/2014 6:12:20 PM

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jerry06

When written in scientific notation, the number 7,250 will have 3 as the exponent on the power of 10.

7,250 = 7.25 x 10^3

Added 6/30/2014 6:12:20 PM

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Which of the following pairs shows the correct scientific notation for the number given in standard notation? 1,207,000 = 12.07 × 105 6,500 = 6.5 × 102 901 = 9.01 × 102 40,200 = 4.02 × 103

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Question

Updated 6/30/2014 6:01:41 PM

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jerry06

901 = 9.01 × 10^2 shows the correct scientific notation for the number given in standard notation.

Added 6/30/2014 6:01:41 PM

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4m = -8.

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Question

Updated 9/14/2017 3:24:10 PM

1 Answer/Comment

alfred123

4m = -8;

m = -8/4;

m = -2

Added 9/14/2017 3:24:10 PM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [9/14/2017 5:18:18 PM]

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