14.1×10^5 - 2.9×10^5 ​

Write a numerical expression that satisfies all of the following conditions. 1.)the only number used in the expression is 5 2.)at least one exponent other than 1 is used 3.)when the expression is evaluated, the answer is greater than 40 and less than 50

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table