Answer:
2⁴
Step-by-step explanation:
4² would be 4x4 not 2x2x2x2
2x2x2x2 would be 2⁴.
Answer:
288
Step-by-step explanation:
12 per hour
24 hours
12×24=288$
Answer:
11th or 16th day
Step-by-step explanation:

now, b is -3, and a is 3
or in rectangular if you wish, y = -3 and x = 3.... on what quadrant is "y" negative and "x" positive? well, the 4th quadrant
so, using our reference angle, that'd be

so, let's use the first one