A^4 * a^6
exponent rule : x^y * x^z = x^(y + z)
so, a^4 * a^6 = a^(4 + 6) = a^10
add 6a and 5a and get 11a
then:
11a=-11
a=-1
original quantity : 10 for $1
new quantity: 4 for $1
now we have to find each percent change
10-4=6
6÷100=0.06
0.06=6%
the quantity went down 6%
Answer:
b. Yes
c. No
d. No
e. Yes
Step-by-step explanation:
hope this helped
Answer:
A, D,E
Step-by-step explanation:
They are all divisible by 5
