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When doing your calculations, you should keep the values to as many digits as are available, then when you get to the final answer, look at the third decimal place (the thousandths place), and based on if it is 0-4 then you just truncate at the second decimal place, or if the thousandths place is 5-9 then add 0.01 to the number and then truncate at 2 decimal places.

Q: How do you work out a number correct to 2 decimal places?

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To achieve the answer to what the decimal equivalent of the largest binary number with five places (or bits) is, work this equation: The formula is 2_ -1 where n is the number of bits. That will get you where you need to be.

(Pi) has an infinite number of decimal places, and never ends. So if you use 'pi' to get the answer to a problem, then the answer must always be approximate; it can never be exactly true. The more decimal places of 'pi' you use when you work the problem, the more accurate your answer will be. Here's a tiny portion of the beginning of 'pi'. Use as many or as few decimal places as you want. 3.14159 26535 89793 23846 26433 83279 50288 . . . . . However many decimal places you use will be the same as the number of digits in your answer that are correct. After those, none of the rest mean anything, and you should get rid of them by rounding the answer.

2 Cent The way it works is you go to the last number on the right and work back with the rule: If it's (1,2,3,4) then the next number on the left stays the same and if it's (5,6,7,8,9) then the next number on the left increases by one So in this case Number is 1.82566 Rounded to 4 Decimal Places 1.8257 Rounded to 3 Decimal Places 1.826 Rounded to 2 Decimal Places 1.83 Rounded to 1 Decimal Places 1.8 Nearest Cent 2

Well, "62428" is five decimal places, so it looks like your work is done.

The concept of surds, is that if a number isn't divisible, and has too many decimal places, it can be left as a surd, to make it less complicated to work out

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To achieve the answer to what the decimal equivalent of the largest binary number with five places (or bits) is, work this equation: The formula is 2_ -1 where n is the number of bits. That will get you where you need to be.

(Pi) has an infinite number of decimal places, and never ends. So if you use 'pi' to get the answer to a problem, then the answer must always be approximate; it can never be exactly true. The more decimal places of 'pi' you use when you work the problem, the more accurate your answer will be. Here's a tiny portion of the beginning of 'pi'. Use as many or as few decimal places as you want. 3.14159 26535 89793 23846 26433 83279 50288 . . . . . However many decimal places you use will be the same as the number of digits in your answer that are correct. After those, none of the rest mean anything, and you should get rid of them by rounding the answer.

2 Cent The way it works is you go to the last number on the right and work back with the rule: If it's (1,2,3,4) then the next number on the left stays the same and if it's (5,6,7,8,9) then the next number on the left increases by one So in this case Number is 1.82566 Rounded to 4 Decimal Places 1.8257 Rounded to 3 Decimal Places 1.826 Rounded to 2 Decimal Places 1.83 Rounded to 1 Decimal Places 1.8 Nearest Cent 2

Well, "62428" is five decimal places, so it looks like your work is done.

The answer is 34! U do it by cross multiplying her is the work! _17___ = ___X___ 100 200

The concept of surds, is that if a number isn't divisible, and has too many decimal places, it can be left as a surd, to make it less complicated to work out

71.5 / 90 = 0.7944 (rounded 4 decimal places) Multiply by 100 to convert to percentage =79.44 % (to 2 decimal places)

1 Height of cylinder: 346/pi*3.62 = 8.498088011 cm 2 Total surface area: (2*pi*3.62)+(7.2*pi*8.498088011) = 273.65230311 3 Correct to 3 decimal places: 273.652 square cm

If you are trying to work out the decimal form of a fraction, such as 4/5, divide the numerator (top number) by the denominator (bottom number). 4/5 = 0.8

Not exactly. To 2 decimal places, pi is 3.14 To 7 decimal places, pi is 3.1415927 To 9 decimal places, pi is 3.141592654 pi does not terminate - it can be expressed to as many decimal places as required. 3.14 is often used as an approximation when doing calculations as it's easier to work with (than 3.141592653... ).

If the number is before the decimal, it is a whole number. The numbers after the decimal represent fractions of whole numbers. For example if you had to work 8.5 hours, you would work 8 whole hours plus one half hour.