Answer:
Step-by-step explanation:
We have to write 243 as a power of some number.
So, if we factorize 243 we get,
243 = 3 × 3 × 3 × 3 × 3
Therefore, we can write 243 as a power of 3.
No other number can be written in powers of 243 because it do not contain any other factor than 3.
Hence, 243 can be written as :

Answer:
£78
Step-by-step explanation:
65 divided by 5= £13
13+65=£78
Answer:16384
Step-by-step explanation:
4*4*4*4+4*4*4
California is at higher risks for earthquakes, because it near the Pacific Ocean
Does this help? If it doesn't i can try to explain more if you want.