Answer:

Step-by-step explanation:
Note the number 5 is repeated 4 times, hence we can say that the expression 5⋅5⋅5⋅5 is equivalent to 5 raised to the power of 4 or 
edit : correct spelling
A
.if m + 3 + 13,then 18=m + 3
Answer:
it's the second option
Step-by-step explanation:
let me know if it's right or wrong
Answer:
2 Percent or %
Step-by-step explanation:
The decimal 0.02 would be equivalent to 2 percent, or 2 per hundred.