What is the sum of 4.2 × 105 and 5.3 × 10^5? a.)95 × 10^5 b.)95 × 10^10 c.)9.5 × 10^5 d.)9.5 × 10^10

A)26•2=52there are 2 sides with the same length116-52=64the other 2 side have to be half of 64 each64/2=32the width is 32b)make two sentences about these steps because your teacher knows how you write and explain things.