7 * 4 = 28
7 times 9 equals 63.
7 x 103 = 7000 ----------
21
no, 28 is
56
7 x 8 is not a number sentence because it does not have an equal sign (=) and it does not have a solution.
to find 7 times 9 we have to see , what is the number before the 7 so its 6 what is +6 = 9 6+3=9 so 7times 9=63 .
40
7times 10= 82-
you have to make it into a one variable equation 21 * 21 = 7 * 7 * X 441 = 49 * X 441/49 = X 9 = X
20 1-69 = 7times 70-79 = 10times 80-100 - 3 times