how to write this in scientific notation?

Question

Some cameras used in scientific research can take one picture every 0.000000161 seconds. Write this number in scientific notation.

 

 

Answer 1

Hi Seth,

Scientific notation will be 1.61 x 10 to a certain power.

 

Since the decimal point is on the left, the power is negative.

You need to count the places from after the first one to the decimal point . . . that's 7 places

 

So it's 1.61 x 10^-7

 

Dan