What is the area of a rectangle with 5.2cm and 7.7cm

40.04 (squared)

Step-by-step explanation:

This can be done with or without a calculator, best non-calculator method is long multiplication. Simply multiply the two numbers together and that's your result, remember to add the squared symbol at the end.

whatare you sayig

step-by-step explanation:

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.