Aspacecraft is orbiting mars. at the farthest point in its orbit, it is 76,994 kilometers from mars. which of the following numbers is 76,994 written in scientific notation?
answer choices:
a)7.6994 x 10 to the 4th power
b)7.6994 x 10 to the 5th power
c)7.6994 x 10 to the 6th power
d)7.6994 x 10 to the 3rd power
(not sure why doesn't allow exponents)

During your cycling trip, you and your friends often stayed in hostels. the prices of these are listed below. hostel standard room (price per night) with breakfast (price per night) super sleep hostels £22.45 £28.65 normandy nights £18.55 £25 zzzola hostels £24.50 £30.99 belgian beds £11.20 £18.55 night-time rest days ? £33 what is the range in cost for a single night, including both standard room prices and with breakfast prices?

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

When you answer this can you explain