The period will be the length for one cycle of the function.
answer: 10
Answer:
The student is wrong.
Step-by-step explanation:
To divide exponents (or powers) with the same base, subtract the exponents. In the second step, the wrong result is calculated.

Step-by-step explanation:
D=M/V
M=D*V
V= M/D
M is mass
D is Density
V is Volume
Substitute and solve