Question

Write the prime factorization of each number. Then write it using exponents. The numbers are 40 and 90. Please help!

Answer 1

2*2*2*5
2^3*5

3*3*5*2
3^2*5*2

Answer 2

Thank you!

Answer 3

How do you come up with the answer so easily?

Answer 4

split 40 into two factors

Answer 5

10 and 4

Answer 6

no split 10 into two factors 2 and 5<--are they prime if yes u cant go further

Answer 7

now split 4 into two factors 2*2 <--are they prime if yes u cant go further

Answer 8

then just combine

Answer 9

So pretty much just keep dividing until I can't anymore?

Answer 10

uh sure

Answer 11

I mean by 2's

Answer 12

not neccesarily, since its prime facorization, u can choose any prime factor tht works

Answer 13

doesnt have to be 2