Simplify Using Laws of Exponent (4x^-2)^3

Find the quotient. 50a2 – 98b2 -5a +7b

Finding tbe values of the variables in each kite

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236