#### • Class 11 Physics Demo

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# how to divide without a calculator

Question:I know that the answer equals to 0.08, but, how would I work that out without the use of a calculator, and, in the easiest method too. Thanks

Answers:Multiply top and bottom of the fraction 2/25 by 4 and get 8/100 or 0.08

Question:I'm doing Intergration atm, and my mind's gone blank for something so easy, LOL! Cheers. :]

Answers:First of all, you're not doing 'intergration' at all. You're doing integration! 4 divided by 3/2: 4 = 4/1 To divide fractions, you have to reverse the second fraction and multiply: 4/1 x 2/3: Multiply the top numbers and then the bottom numbers (denominators): 4 x 2 = 8, 1x3 =3. So the answer is 8/3 ie 2 2/8.

Question:

Answers:pi = 180 deg.=> 5 pi / 6 = 5 * 30 = 150 deg. cos 150 deg = -cos30 deg = - 3/2.

Question:how do you work out 100 divided 7 WITHOUT a calculator???

Answers:14.29 that is to 2 decimal places, if you want to keep going you will fill the page!