Write the following number in standard form.15240000 from Mathe

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Exponents and Powers

Short Answer Type

31.

Find 'm' so that $left parenthesis negative 3 right parenthesis to the power of straight m plus 1 end exponent space cross times space left parenthesis negative 3 right parenthesis to the power of 5 space equals space left parenthesis negative 3 right parenthesis to the power of 7.$

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32.

Find the value of $open parentheses 2 over 3 close parentheses to the power of negative 2 end exponent$

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33.

Simplify:

(i) $open parentheses 5 over 8 close parentheses to the power of negative 7 end exponent space cross times space open parentheses 8 over 5 close parentheses to the power of negative 5 end exponent$ (ii) $open curly brackets open parentheses 1 third close parentheses to the power of negative 2 end exponent minus open parentheses 1 half close parentheses minus 3 over 4 close curly brackets divided by open parentheses 1 fourth close parentheses to the power of negative 2 end exponent$

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34.

Write the following number in standard form.

0.000000564

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35.

Write the following number in standard form.

0.0000021

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36.

Write the following numbers in standard form.

21600000

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37.
Write the following number in standard form.

15240000

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∴ $15240000 space equals space 1.524 space cross times space 10 to the power of 7$

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38.

Write all the facts given in the standard form.

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39.

Compare the size of a red blood cell which is 0.000007 m to that of a plant cell which is 0.0000129 m.

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40.

Express the following numbers in standard form.

0.0000000000085

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