Calculate 27^(-3/2)

The question asks you to calculate 27-3/2.
Due to the presence of the negative sign, 27-3/2 is the same as 1/273/2.
The fractional power is a little more tricky.
The denominator, 2, means that the number must be rooted and the numerator, 3, means that the whole value must be cubed. The answer then follows as 1 divided by the value calculated.

RM

Related Maths GCSE answers

All answers ▸

Please solve the following simultaneous equations 4x + 7y = 336 y = 6x + 2


Solve the equation x ^2>=3(x + 6)


Find the roots of the equation y = 2x^2 + 5x + 2.


Factorise this equation: x^2+3x-10=0