Question

Write an integer for each situation.

-A deposit of $90
-45 seconds before launch
-580 B.C.
-An elevation of 3,400 ft.

Answer 1

Integer is an any number which can be negative number, positive number or zero. It is not a fractional number.
In deposit of $90 an integer is +90
In case of 45 seconds before launch an integer is -45
In 580 B.C. -580 is the integer
In an elevation of 3,400 ft, +3400 is an integer