How do I calculate negative powers?
The power of a number indicates how many times that number must be multiplied by itself. If the power is a negative, this means that the number (or the base) is a fraction, with the base as a denominator. For example, 10-1 = 1/10. For more difficult numbers, e.g. 8-5, this is the same as saying 1/85, or 1/40.
MN
Related Maths GCSE answers
All answers ▸Expand and simplify 5(x+4)-3(2+3x)
Please expand the brackets in the following equation to get a quadratic equation. Then, please show using the quadratic formula that the solutions to the equation are x=3 and x=5. Here is the starting equation: (x-3)(x-5)=0
What is red shift?
Find x: 4x + 7 = 27