If a moon were discovered to be at 1.5au from the sun, it would be how far from the sun in kilometers?
a. 22,500km
b.225,000km
c.22,500,000km
d.225,000,000km

D. 225,000,000km

Explanation:

An Astronomical Unit is the average distance between the Earth and the Sun. It is a unit of length which is used to measure distances in our galaxy.

1 astronomical unit is approximately equal to 150 million kilometers. 1 million is .

Thus  1 Astronomical unit (AU)  is equal to 150 million km or

So 1.5 Astronomical unit (AU)=

Thus correct option is D.

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d