Answer:

Step-by-step explanation:
1.660
we would only move the decimal point once.
1.66 * 10^0
10^0 = 1
Answer:
36/7
Step-by-step explanation:
{(6+3)/(-5-2)}(-4)
36/7
Answer:
64%
Step-by-step explanation:
The nickel= 9/25
The copper=16/25
1. Multiply by 4 to get a total of 100
nickel=36/100
copper= 64/100
Sorry if it is wrong but i hope i was right
Answer:
7
Step-by-step explanation:
because 105/15=7
84/12=7
28/4=7
so 1x7=7