Question

How do you write the standard number 31,090 in scientific notation?

Answer 1

the scientifiic notation is form of number a*10^b, where 0<a<10.

Answer 2

so 31090=3.1*10^4

Answer 3

count the decimal places from the right over before the first number on the left. Every digit acts as a 10ths place holder, and moving to the right, you're raising your power of 10 by however many places you have moved.