My answer to this question C
Answer:
Since A={a,b}, then
. Remember that the Cartesian Product of two sets A, B is defined by
. Then

Answer:
120.39ft²
Step-by-step explanation:
Hopefully that helps :)
Answer:
6.813·10^7
Step-by-step explanation:
Multiplying 0.0000006813 by 10^7 will move the decimal point 7 places to the right, resulting in 6.813.
Conversely, multiplying 6.813 will move the decimal point 7 places to the left, producing the original decimal fraction.
Therefore,
0.0000006813 = 6.813·10^7