Answer:
To multiply two numbers in scientific notation, multiply their coefficients and add their exponents. To divide two numbers in scientific notation, divide their coefficients and subtract their exponents. In either case, the answer must be converted to scientific notation.
Step-by-step explanation:
Answer:

Step-by-step explanation:
The most straightforward way is direct substitution of g(x) for x in f(x):

Answer:
9.87
Step-by-step explanation:
usually in math you never have to write down what pi squared is, you just have it incorporated into your equations. But here is the best written answer.
Answer:
parallel lines
Step-by-step explanation:
parallel lines are lines that do not meet each other