3.124 * 10^-4
since your decimal is coming forward you need the exponent to be negative
The better one is a pack 30 pencils that costs $7.97. How do I know I divide 7.97/30 and got 0.26567. I did the same thing to the other one and got 0.3975. The one that is smaller is the best one.
Frank increased his score by 6 points.
That was a 50% improvement.
What state do you live in?
