Question #0c929

1 Answer
Sep 9, 2017

#3.15*10^2#

Explanation:

Scientific notation (also called standard form) is to write a number in the form of
#a*10^x#
where
a: #1<=x<10#
x: the number of places that we have to move the decimal point

So as for number 315
The decimal point has to be moved 2 places
Therefore,
#3.15*10^2#