0
First 89.9
57.3 multiple it them then skip two lines and that equals
Multiply as if they were not decimals, ie ignore the decimal points. When you get the answer count the total number of numbers to the right of the decimal points and place the decimal point in your answer that many places from the right.
eg 1.2 x 2.05
12 x 205 = 2406
There are three numbers to the right of the decimal point (.2 and .05)
so the answer is 2.406
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Why are repeating decimals changed to fractions?
There are times when working with fractions is more convenient than working with decimals.
How many times bigger is 12 than 1.2 in decimals?
10 times as big.
How can you check your answer when you are dividing decimals?
Do it multiple times, and check it with a calculator multiple times also
How many times can 75 go into 79 with dividing decimals?
1.053333 repeating times.
What times 4 can give you 117?
something with fractions or decimals
How many times does 15 go into 49?
3.266666666666667 times.
What times what equals 47 using decimals?
4.7 x 10
What times what equals 91 without decimals?
13 x 7
How many times does 16 go into 72 with out decimals?
72 divided by 16 = 4.5 Therefore 16 does not go into 72 without decimals
Why do you line up the decimals when adding decimals?
Because left of the decimal point goes times 10 for every position and right of the decimal point goes times -10 for every position.
Significant figure 4.98 times 23.1?
About 115 in three significants, no decimals!
How do you convert decimals into decimals?
Decimals are all ready decimals so how could you say to convert it back to decimal
