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If the answer is a decimal, you start from the left and ignore any 0s- only count numbers that are not 0. For example, 0.0002 is to 1 significant figure even though there are 3 zeros before the 2. If the ...

v^2 = u^2 +2as, v^2-u^2 = 2as, (v^2-u^2)/2*a = s, End

The first step is to multiply both side by 8, as this will cancel out the 8 that is beneath the 6-2x. This will then make the equation look like this: 8y = 6-2x. As we are making X the su...

The given equation is - NH₃ + HNO₃ --> NH₄NO₃
Equation to use - Moles = Mass/RFM
RFM of ammonium nitrate = 14 + 4 + 14 + (3x16) = 80
20kg = 2...

Printing more money became the issue. The word 'inflation' itself refers to when prices are rising but the value of money is falling.Inflation in the Weimar Republic largely came about because the governm...