What is 40 multiplied by 170?

Answer 1

40 x 170 = 4 x 10 x 17 x 10

which equals 4 x 17 x 10 x 10

which becomes 4 x 17 x 100

= 68 x 100 = 6800

Or, you can multiply 4x17, then put two zeroes on the end.