Write the following number in
scientific notation.
0.05796
[? ][ ]

Write a corresponding real world problem to represent 2x - 125=400

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).