3 years ago

Enter the number that makes the equation true

Mathematics

1 answer:

aliina [53]3 years ago

6 0

Answer:

8.1

Step-by-step explanation:

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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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SashulF [63]

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Step-by-step explanation:

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3 years ago

Whats the answer to −8≤8+y

Tema [17]

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