-6
4/5=8/10 which is smaller than 9/10 so yes
4 is 10 times smaller than 40.
6
8/10 or 4/5
4.
The GCF of 5 and 10 is 5. The GCF of 4 and 12 is 4.
A decimeter
Make the ' -4 ' smaller, and write it above and to the right of the ' 2.5 '.When you do that, it comes out . . 2.5 x 10-4 . . and that's in scientific notation.
9
0.4 is 4/10. Comparing 4/9 and 4/10, the numerators are the same but the second denominator is bigger. So the second fraction is smaller.
It gets smaller. 1/2 is 50%, 1/4 is 25%, 1/10 is 10%, ect.
Is ten larger than four? Of course.