Answer:
-1000
Step-by-step explanation:
1. Do the Parenthesis problem first. (PEDMAS/PEMDAS)
You should then have -10^3
2. Solve with the exponent. (-10 x 10 x 10)
You should then get your final answer, which is -1000.
Any Questions/Concerns?
How you write 8.216 in scientific notation; 8.216 * 10 ^ 3
10 ^ 3 = 10 to the 3rd power.
We have

so this is indeed a difference of squares. Factorizing would give

making the answer D.
We can further factor the first term here and write

but that's clearly out of the scope of this question.
Answer:
498020 miles al
Step-by-step explanation: