Answer:
Center of the circle = (10, 5)
Radius = 10
Step-by-step explanation:
Look at the picture
Answer:
33°C
Step-by-step explanation:
The time between 8:20 and 7:50 is 30 minutes. If it drops 1°C per minute you multiply this number by the amount of minutes which would be 30. This becomes 30°C. Then add the 3° it's at now to become 33°C.
B because the other options are used by Scientific notation
For this case we have the following expression:

Rewriting the expression we have:

Then, simplifying and by properties of exponents we have:

Rewriting we have::
Answer: The simplified expression is given by: