Answer:
I think the answer is 7
Step-by-step explanation:
7 multipled my 3 equals 21.
Answer:
B. 2.786 x 10 ^ 7
Step-by-step explanation:
For scientific notation you have 1 number to the left of the decimal point and 10 gets raised to the power of the number of decimal places it takes to get that one number.
Assuming you mean 06:45 and 11:35, your answer would be 18:20.