What is 100x8?

Answer 1

If this is a multiplication problem... 100 x 8 is almost like 1 x 8 (except with the extra 0s)

But what is 1 x 8 ... 8.

What is 10 x 8 .... add an extra zero the previous answer ... it's 80.

Now what is 100 x 8... add two more zeroes from the 1st answer ... and it's 800.

When you multiply a number by 100, 1000, 1000000, just see the question as in it's basic form ... subtract the zero (like 1 x 8) and add the zeroes at the end.