4 years ago

Find the polynomial.

Mathematics

1 answer:

Mice21 [21]4 years ago

4 0

The answer to the question:

4y^2 - 18y - 18y + 81

4y^2 - 36y + 81

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(2.5×10−8)(9×10−10)<br><br> Express your answer in scientific notation.

Lunna [17]

Answer: 2.25x $10^{-17}$

Scientific notation is used in science because the number can be vary from so much that using decimal is making it hard. The number expressed in $10^{x}$ form. Both number in the question is already in scientific notation. Then to multiply the number and keep it at scienfitic notation the calculation should be:

2.5 x $10^{-8}$ x 9 x $10^{-10}$ = 22.5 x $10^{-18}$ = 2.25x $10^{-17}$

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3 years ago

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lana [24]

Answer:

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3 years ago

Bruce has a pet worm that fell into a well. The well was 37 feet deep. Each day, the worm climbs up 7 feet, but each night, it s

hichkok12 [17]

Answer:

It will take the worm 7 days to get to the top of the well.

Step-by-step explanation:

the well is 37 feet deep

the worm climbs up 7 feet, but loses 2 feet through the night

That means the worm only really climbs 5 feet a day.

So, if you subtract 5 from 37, 6 times, you'll get 7 feet left to go. And sense the worm climbs 7 feet a day, the last day the worm will climb his way to the top without slipping back down.

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4ab over c divided by 3a over 2c

BARSIC [14]

=4ab/c x 2c/3a
= 8b / 3

hope it helps

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3 years ago

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