How do you multiply 3.5 times 5?

Answer 1

5.0

x3.5

First, multiply the bottom left number, in this case 5, by the top left number, giving you 0. Then mulitply the bottom life with the top left (equals 25).

No skip a line where you have written you answer so far and write a "0" under the digit in the tenth place. Here is what you should have so far:

5.0

x3.5

250

0

Now nultiply the 3 and 0 and 3 times 5.

Heres how you write:

5.0

x3.5

250

+1500 (now add)

1750

Now count how many places have a decimal before it. In this case, there are two numbers with a decimal before it (0 in 5.0 and 5 in 3.5)

Now move the decimal in the answer two places to the left.

1750. --> 17.50 = 17.5

The answer is 17.5i have

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For me I have a simple trick...since 5=10/2,

3.5x5 = 3.5x10/2 = 35/2 = 17.5