Answer: 3x2+5x−4
The 2 behind 3x is an exponent
Answer:
Find a common prime factor in each of these pairs of numbers
a.21 and 411
Answer:
B
Step-by-step explanation:
hope this help but I worked it out so it should be true
4 12 18
:) fun little riddle
Answer:
galaxies.
Step-by-step explanation:
There are about
stars in the universe.
The Milky Way galaxy
stars.
All we need to do to find the number of galaxies is to divide the total number of stars in the universe by the number of stars in the Milky Way:
Number of galaxies = (Number of stars in the universe) / (Number of stars in the Milky Way)
Number of galaxies = 
N = 
N = 
The number of galaxies in the universe is approximately
.