Answer:
2pi?
Step-by-step explanation:
Pi is an irrational number so I guess double of pi would be irrational too.
2pi would be something like 6.28318531...
3.643 x 10^3
move the decimal in between the first and second number
However many times you move the decimal, that is you exponent.
Answer:
(x-5)(x+5)
Step-by-step explanation:
Answer:
74.5
Step-by-step explanation:
i did it on my calculator and it says it is 74.5.