Answer:
Step-by-step explanation:
250 milliliters
The error is that the student put a decimal point in between the 9 and 3 instead of a multiplication sign.The answer is 9x3
Answer:

Step-by-step explanation:
we have

we know that
-----> the bases are multiplied and the exponents are added up
so
in this problem


Answer: Choice B) 
Work Shown:

Note: secant is positive in quadrant Q4, when theta is between 3pi/2 radians and 2pi radians (270 degrees and 360 degrees). So that's why we don't consider the minus form of the plus minus.
B.)
I can tell because the sin func starts from the top at 0 (if sin is positive)