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Perform the following operation
and express the answer in
scientific notation.
4.3x102 -7.0x 102

Sagot :

Neetoo

Answer:

-2.7 ×10²

Explanation:

Scientific notation is the way to express the large value in short form.

The number in scientific notation have two parts.

. The digits (decimal point will place after first digit)

× 10 ( the power which put the decimal point where it should be)

for example the number 6324.4 in scientific notation will be written as = 6.3244 × 10³

Given measurements = 4.3×10² - 7.0 ×10²

= -2.7 ×10²

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