math
posted by katy .
Light travels at a speed of 186,282 miles per second. How could this number be expressed in scientific notation?
1)1,862.82 x 10 x10 x10
2)1.86282 x 10 x10 x 10 x10 x10
3)1.86282 x 10 x10 x10 x10
4)186.282 x 10 x10 x 10

A cricket produces 116 chirps per minute at 72 degrees Fahrenheit and 177 chirps per minute at 80 degrees Fahrenheit.
Find a linear equation that models the temperature as a function of the number of chirps per minute .
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