If the number you are rounding is 5, 6, 7, 8, or 9, it goes to ten. If the numbers are 4, 3, 2, or 1, then round down. For example,, 37 is rounded to 40. 34 is rounded to 30.
Prime= 19, 37, and 47
Composite= 9, 15, 26, 33, and 45
Hope this helps!
Answer:
15
Step-by-step explanation:
2+3+8+2
2+3= 8+2=
5 + 10=
15
16.2+16.2+16.2+16.2 is the answer it is just like adding it your times