43*15 = what is the correct answer

43 * 15 = 645.

First, set up the long multiplication.

Second, calculate 3 * 5, which is 15. Since 15 is two-digit, carry the first digit 1 to the next column.

Third, calculate 4 * 5 which is 20. Since 21 is two-digit, carry the first digit 2 to the next column.

Fourth, bring down the carry digit of 2.

Fifth, calculate 3 * 1, which is 3.

Sixth, calculate 4 * 1, which is 4.

Seventh, calculate 215 + 430, which is 645.

Eighth, therefore, 43 * 15 = 645.

Or ... an easier way is to use a calculator. They always come in handy when doing multiplication.

The answer to 43x15 is 645