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julsineya [31]
3 years ago
8

The most precise measurement of the speed of light in vacuum is 299,792,458 m/s. Which of the following values would you use to

write this speed in scientific notation to three significant figures?
Physics
1 answer:
Luda [366]3 years ago
3 0

Answer:

v = 3.00 x 10⁸ m/s

Explanation:

given,

speed of light in vacuum = 299,792,458 m/s

speed of light in scientific notation to three significant figures

v = 2.99792458  x  10⁸ m/s

by rounding off the speed to three significant figure.

v = 3.00 x 10⁸ m/s

On the fourth place the value is greater than 5 so, on the third place 1 will be added.

now, the speed with three significant figure comes out to be

v = 3.00 x 10⁸ m/s

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