Answer:
4^8
Step-by-step explanation:
If you are multiplying two bases that are the same with different exponents, the exponents get added and the base stays the same:

Therefore, 4^3 * 4^5 = 4^8
Tell Me if I'm Wrong But I Believe It's 198m3
Step-by-step explanation:
cross multiply all equations seperately
1,n=63
2.n=24
3.n=19
4.n=20
Answer:
2 and 9
Step-by-step explanation:
2a + 8b + 10
-3a + 7b + 16
2a + 8b + 10 - 5a -b +6= -3a + 7b +16
Next, group the similar figures
2a - 5a + 8b - b + 10 + 6= -3a + 7b + 16