To times two decimal numbers together you take the sum, lets say....
0.4 x 0.37
First you times the numbers without the decimals so this would be
4 x 37
Which equals 148
so now you have the answer, count how many numbers are after the decimal points in the actual oringinal problem.
This prblem has 3 decimal places.
so you move the decimal point from the end of the number 148 3 spots to the left
so the answer is 0.148
the whole thing will look like this
0.4 x 0.37 = 0.148
Hope this helps :)
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To multiply decimal numbers, the decimal point is ignored and the multiplication is done as though they were (large) integers. The last step is to put the decimal point into the answer by ensuring the same number of digits follow it as were following the decimal points in the numbers multiplied together; trailing zeros can be removed at this point.
"You have to count the spaces to the right to know how many spaces you have to put."
move the decimal down and over however many numbers are behind the decimal
To find the product of 9.3 and 7.64, you would multiply these two numbers together. When you multiply 9.3 by 7.64, you get 70.932. This is the result of multiplying the whole numbers together and then adding the product of the decimal parts.
When multiplying, you move the decimal to the right. The number of places you move the decimal to the right is equal to the total number of decimal places in the numbers being multiplied. For example, if you are multiplying 2.5 by 3.2, you would move the decimal a total of three places to the right to get the final product.