If $2^n = 128$, find the value of $2^{n - 1})(5^{n - 2})$

Similar Questions

An arc of a circle of radius 6cm is 8cm long. Find the area of the sector...

Express in partial fractions $\frac{11x + 2}{6x^2 - x - 1}$...

Find the smallest value of k such that 2$^2$ x 3$^3$ x 5 x k is a perfect square....

A boy looks through a window of a building and sees a mango fruit on the ground 50m away from the fo...

Five people are to be arranged in a row for a group photograph. How many arrangements are there if a...

Find the value of x in the figure above ...

cos 57o has the same value as...

In the diagram, WXYZ is a rectangle with diamension 8cm by 6cm. P, Q, R and S are the midpoints of t...

In a school, 220 students offer Biology or Mathematics or both. 125 offer Biology and 110 mathematic...

A quadratic equation with roots -1$\frac{1}{2}$ and $\frac{1}{4}$ is...