8 x 9 = 72
10
72
72 EZ
72 times 9 is equal to 648. This is calculated by multiplying 72 by 9, which represents adding 72 together 9 times. To find the product, you can use the multiplication algorithm, where you multiply the units digit (2) of 72 by 9 to get 18, then carry over the tens digit (7) to get 63. Therefore, 72 times 9 equals 648.
7z+9 = 72 7z = 72-9 7z = 63 z = 9