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Most people use 1/12 and multiply that by the number of months to get their decimal age. HOWEVER this is not exact because you are often a fraction of a month old, AND not all months are the same length.
To figure out your age to an exact decimal, first add up the days until your next b-day (example: if today is April 27th and my b-day is July 10th, I would add 3 days + 31 days + 30 days + 10 days). Now, divide that number by 365. Write down the decimal you get. Now, do 1 - (the decimal you wrote down). You will get another decimal. Just add your age in years, and you have your decimal age!
*This is fun because afterwards you get to brag, "I'm 17.7392649092739... years old!*
Note: Use a calculator to make it easier! You can use memory on your calculator for the part where you subtract the decimal from 1.
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Does a zero after a decimal count as a significant figure?
no
How do you round 5.164 to one decimal place?
The rule when rounding off numbers is "If the first figure to be discarded is 5 or more then the previous figure is increased by 1". As the first figure to be discarded is '6' and this is more than 5 then the previous figure '1' is increased by 1. To one decimal place 5.164 is 5.2
Round 176.625 to 2 decimal places?
It's generally accepted that when rounding off numbers that if the first figure to be discarded is 5 or more, the previous figure is increased by 1. 176.625 therefore becomes 176.63 to 2 decimal places.
How do you figure out IQ score with chronological age and mental age?
IQ = mental age / chronological age x 100
How can you figure out if a decimal is repeating?
You know a decimal is repeating when you keep getting the same remainder and you keep adding the same decimal onto the end. On calculators it may be expressed as, as an example, 0.6666667. When writing a reoccurring (repeating) decimal it is usually expressed as one decimal with a line over the top of it.
