I dont understand how to do integers so if you could explain with you answer that would be amazing and thank you.

1.2×10‐2

Integer is a number which is not a fraction and is whole number. Yes whole numbers are 0,1,2 and so on but integer can also be negative such as -1,-2 etc.

-3⁰= -1 which is integer

18/3(is a fraction but when solved)=6 which is integer

root under49 is 7 which is integer.

some numbers which are not integer

1.2,-3.6,1/2 etc.

45

step-by-step explanation:

to find a percentage, add a decimal in front and multiply it by the other number.

.25 times 180= 45