849
16 times64 divided by 4 is 16
4 times with 1 remaining
16
35 multiplied by 65 is 2,275
16% of 65 is 10.4
16 + 49 = 65
You have to know the basic multiplication to be able to do this kind of math. Well, 13 times 5 equals 65. 5 times 3 equals 15, carry your 1. 5 times 1 equals 5 plus the 1 you carried which is 6. Now bring the two numbers 6 and 5 and you will have 65.
1.024801285 x 10 ^16
4.0625
65
9 1/16. (1 times 5 is 5, and 13/16 times 5 is 65/16 which is 4 1/16; the 4 adds to the 5 to give 9, and then the 1/16 makes it 9 1/16.)