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A human hair was measured to be 8.0 × 10^−4 inch thick. A cat hair was measured to be 4.0 × 10^−1 inch thick. How much greater is the thickness of the cat hair than the human hair? Write the answer in standard form.

Respuesta :

jtgadson31

Answer:

0.3992

Step-by-step explanation:

8.0x10^-4=0.0008

4.0x10^-1=0.4

0.4-0.0008=0.3992

or

3992x10^-4

Please Give brainliest if this is right.

(I wrote it two ways just in case you neede it!)

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