The product of 10,000 multiplied by 10,000 is 100,000,000. This can be calculated by multiplying the two numbers together using the standard multiplication algorithm, where you multiply each digit in one number by each digit in the other number, carrying over any resulting values that exceed 9. In this case, multiplying 10,000 by 10,000 results in a product of 100,000,000.
10000x10000=100000000
1x1 = 1 10x10 = 100 100x100 = 10,000 1,000x1,000 = 1,000,000 10,000x10,000 = 100,000,000 100,000x100,000 = 10,000,000,000 1,000,000x1,000,000 = 1,000,000,000,000 10,000,000x10,000,000 = 100,000,000,000,000 100,000,000x100,000,000 = 10,000,000,000,000,000 1,000,000,000x1,000,000,000 = 1,000,000,000,000,000,000 Simply count up all the zeroes then put a one in front.