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What unit would you use to measure width of a football pitch?
Yards if you work in imperial units or metres if you work in metric units
How do you show your work for two fifths plus three tenths?
Multiply two fifths by two to get a common denominator. Then you will have 4 tenths plus three tenths. then add straight across and you will get seven tenths.
Is area of a 7 by 8 rectangle?
To work out the area of a rectangle you simply multiply the width by the length:Here the width and length are 7 and 8 so by multiplying them together you get:56Remember, that if units are involved such as centimetres, you must write a squared sign after the digits. For example if it were 7cm and 8cm, you would write the answer as 56cm2
Why are rounded numbers easier to work with?
Less digits to work with. As an example, to multiply 4000 x 30,000, you only need to multiply 4 x 3, then attach all the zeros (7 zeros in this case) at the end. WITH A LITTLE BIT OF PRACTICE, YOU CAN DO THIS CALCULATION IN YOUR HEAD. However, if there are more significant digits (roughly speaking, non-zero digits), most people would need pencil and paper, or a calculator, to do such a calculation.
What is 564 times 678 with the work?
To multiply 564 by 678, you would first multiply the units digits (4 and 8) to get 32. Write down the 2 and carry over the 3. Next, multiply the tens digits (6 and 6) to get 36, then add the carried over 3 to get 39. Write down the 9 and carry over the 3. Finally, multiply the hundreds digits (5 and 7) to get 35, then add the carried over 3 to get 38. Therefore, 564 times 678 is 382,392.
