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How can you multiply a decimal times a whole number?
-- Ignore the decimal point; just multiply the two whole numbers. -- After the multiplication is done, put the decimal point back into the product. Put it in the right place so that the product has as many digits after the point as the original decimal had. If there aren't enough digits in the product to do that, add some zeros to the left end of it.
How do you determine the placement of your decimal in your final answer multiply?
However many digits are after the decimals, that's how many times you move it to the left. For example: 1.38 x 9.24. When you get the product, you would move the decimal 4 places to the left because you have 4 digits after decimals. Hope this helps! (:
Do you move the decimal point to the left when multiplying numbers?
You don't move the decimal point at all. You just multiply the numbers and the point should sort itself out or be put of how many digits it is to be.
How is multiplying two decimals similar from multiplying one decimal by a whole number?
You simply multiply the two numbers together ignoring the decimal point. You then count the number of decimal places in each of the multiplicands and add them together. In the product, you put the decimal point so that there as many digits after the decimal point as that sum.For example, to multiply 2.63 by 3.271263 * 3271 = 860273.There are 2 digits after the decimal point in the first multiplicand and 3 in the second. 2 + 3 = 5So the decimal point in the answer is placed so that there are 5 digit after it: 8.60273
How many digits should the sum have after the decimal point?
The answer depends on how many decimal places are in the summands.
