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pickupchik [31]

3 years ago

9

a calculator can perform a single calculation in about 0.0000034sec.how much time will it take to calculate 4000 such calculatio

ns?express your answer in scientific notation

1 answer:

kotegsom [21]3 years ago

5 0

Answer:

0.0136 or 4000×34^-6

Explanation:

You would have to multiply and/or add the 0's

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What number two numbers when multiplied equal 24 but when added equal -4

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Since it says when Added they are a negative and when multiplied they are positive, we know our two numbers are negative.
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Nesterboy [21]

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3 years ago

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Bond [772]

Answer:

Part 1) $\frac{a^4}{4b^2}$

Part 2) $-\frac{v^9}{w^6}$

Step-by-step explanation:

we know that

When divide exponents (or powers) with the same base, subtract the exponents

Part 1) we have

$\frac{3a^{2}b^{-4}}{12a^{-2}b^{-2}}=(\frac{3}{12})(a^{2+2})(b^{-4+2} )=\frac{1}{4}a^{4}b^{-2}=\frac{a^4}{4b^2}$

Part 2) we have

$\frac{v^3w^{-3}}{-v^{-6} w^3} =-v^{3+6}w^{-3-3}=-v^9w^{-6}=-\frac{v^9}{w^6}$

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2 years ago