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This is my way of doing it:
The first step is, you basically multiply like normal vertically. So for example, say you want to multiply 632 x .035 :
632
x .035
---------
3160
+18960
---------
22120
After you have done that, you simply count haw many numbers there are after each decimal point. In this case there is only one decimal point with 3 numbers after it. Let me first say that when you have a whole number, there will ALWAYS be an invisible decimal point at the end of the last number. With that in mind, you now know that there is an invisible decimal point at the end of 22120 which was the partial answer to the multiplication problem above. So now you add the decimal point and the zero to then end of your number(it's ok to have a zero at the end because that indicates nothing, you don't have to, but the point is necessary):
22120.0 When you have this done, you will move the decimal point to the left however many spaces that equals how many numbers you had after the decimal point in total from the original numbers. So, above we said that there was three numbers after the decimal point in the number 0.035, so now you move the decimal point three spaces to the left in your multiplication answer:
22120.0 ------> 22.1200 From here you can get rid of all the zeros after the decimal point, for they are not necessary in this step:
22.12 That's the answer, and that is how you multiply a whole number x a decimal number.
Hope I helped
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How do you make .20 as a whole number?
To express .20 as a whole number, you would multiply it by 100 to shift the decimal two places to the right. This would give you 20 as a whole number. Converting a decimal to a whole number involves removing the decimal point by multiplying the decimal by the appropriate power of 10.
How is multiplying decimals different from multiplying whole numbers?
The difference is that if you multiply with a whole number and then multiply with a decimal and you compare.You will notice the whole number is greater.You are very welcome.
What is 2.54 multiplied by 5?
To calculate 2.54 multiplied by 5, you simply multiply the two numbers together. 2.54 multiplied by 5 equals 12.7. This is because when you multiply a decimal number by a whole number, you multiply the decimal number by the whole number and then adjust the decimal point in the result accordingly.
Why is the answer larger when you multiply a whole number by a whole number and smaller when you multiply a whole number by a proper fraction?
It is larger because the two whole numbers form a greater, larger number when multiplpied together. It is smaller when u multiply a whole number by a fraction because a fraction is a decimal and u get a smaller number when multiplying a number like 1/7 of 5
How do you round numbers to the nearest whole percent on a calculator?
To round numbers to the nearest whole percent on a calculator, you first divide the number by 100 to convert it to a decimal. Then, multiply the decimal by 100 to convert it back to a percentage. Finally, round the percentage to the nearest whole number. For example, if you have the number 78.56, you would first divide by 100 to get 0.7856, then multiply by 100 to get 78.56%, which rounds to 79%.
If you multiply a decimal number and a whole number will you have a decimal in the answer?
Often, yes. But it depends on the numbers. For example, if you multiply 1.5 x 2, you get 3 as the answer (whole number). But if you multiply 1.5 x 3, you get a decimal of 4.5
What is the difference between multiply a whole number by a whole number and multiply a whole number by a decimal?
The answer depends on what the decimal is.For example, 4 * 3.5 = 14But 4 * 3.6 = 14.4
How do you multiply a whole number by a decimal in the hundreths?
When multiplying a whole number by a decimal with two places, ignore the decimal point and multiply as if you were multiplying two whole numbers. After you get the answer, re-insert the decimal point so that the product has two decimal places.
How dividing by decimal is different from dividing by whole number and how it is similar?
Dividing by decimal is different from dividing by whole number as you have to multiply by a number to remove the decimal.
Explain how to multiply a whole number by a decimal in the hundredths?
When multiplying a whole number by a decimal with two places, ignore the decimal point and multiply as if you were multiplying two whole numbers. After you get the answer, re-insert the decimal point so that the product has two decimal places.
Do you multiply 2.9 percent x 100 to get the decimal?
whenever you multiply a whole number by a decimal you get a decimal. 2.9x100=290
When you multiply a whole number by a decimal less than one your answer will be?
... less than the whole number.
How do you multiply a decimal with whole and part of a whole number?
Example of multiplying whole decimal numbers: 2.37 × 3.56 = 8.4372 Remove the decimal point and multiply as for whole numbers: 237 × 356 = 84372 Then add the decimal point, thus : 8.4372
How do you make .20 as a whole number?
To express .20 as a whole number, you would multiply it by 100 to shift the decimal two places to the right. This would give you 20 as a whole number. Converting a decimal to a whole number involves removing the decimal point by multiplying the decimal by the appropriate power of 10.
When you multiply a decimal by a whole number the number places in the product is the same as the number of decimal places in the decimal factor true or false?
True
How is multiplying decimals different from multiplying whole numbers?
The difference is that if you multiply with a whole number and then multiply with a decimal and you compare.You will notice the whole number is greater.You are very welcome.
Is it True or false when you multiply a decimal by a whole number the whole number of decimal places in te product is the same as the number of decimal places in the decimal factors?
It is false.0.2 * 25 = 5, which has no decimal places.
