What's 15 divided by 10 out of 13 Write down the details of how to calculate

What's 15 divided by 10 out of 13 Write down the details of how to calculate


15÷10/13
=15×13/10
=39/2
=19 and 1 / 2



Calculation: A ^ 15 divided by (- a) ^ 13


A ^ 15 divided by (- a) ^ 13
=-a^(15-13)
=-a^2