(3.6 X 102)(1.9 x 10-4) Multiply write the answer in scientific notation

Question 2
(4.7. x 10)(2.0 x 10

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Which two transformations are applied to pentagon abcde to create a'b'c'd'e'? (4 points) translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the x-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the y-axis translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the y-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the x-axis

What is the area of the shaded sector?