CAN SOMOEONE HELP WITH THIS ASAP

No. 4 , what’s a forty proportional?

Which sentence describes why polygon mnop is congruent to polygon jklp? a. polygon jklp maps to polygon mnop through a translation. b. polygon jklp maps to polygon mnop through a rotation. c. polygon jklp maps to polygon mnop through a dilation. d. polygon jklp maps to polygon mnop through a stretch.

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.