Answer:
The simplified version of this expression is
-2x + 15
Hope this helps!!
The answer to your question is 6.67.
Answer:
The answer is "The second choice".
Step-by-step explanation:

Formula:


A to the power of b
a^b
a = base
b = exponent
SO
10^243 or 10 to the power of 243.
You can use other numbers also.
Hope i helped!!