Write an expression that uses partial products to multiply 8x64

i think is 3 and 6. this took me 10 min to think.hope to and hope that my answer is brainliest.(follow me )

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.