I think it is 4.5*10^(-4). It is because 10^(-4) is 10000. 10000*4.5 is 0.00045.
Answer:
c
Step-by-step explanation:
a. 3x7=21
b. 5x7=35
c. 7x7=49 [only one correct]
d. 9x7=63
e. 12x7=84
A 9^11. Or, nine to the eleventh power
Answer:
the area is 50.24
Step-by-step explanation:
to find the area of a quarter circle, use the formula <u>π x r^2</u>
4
Answer:
4
Step-by-step explanation:
Here you need not completely solve 7992 squared. You can just take the last digit which in this case is 2 and solve for the square of that digit. 2 x 2 = 4. Now if it was a bigger digit which would result in a two digit number when squared you would take the last digit of that number. But, we don't need to do that here since 2 squared is 4.
