Answer:
The last answer on your last image
Step-by-step explanation:
Answer:
b=-1
Step-by-step explanation:
3(b+2)+2(b-3)=-5
3b+6+2b-6=-5
5b=-5
b=-1
2/3+(-1/3)
2/3-1/3
1/3
Your answer is 1/3
Answer:
It is irrational
Step-by-step explanation:
Rational numbers do not have decimals.
Answer:
5^-4
1 / 5^4
Step-by-step explanation:
5^3 / 5^7
We know a^b / a^c = a^(b-c)
5^(3-7)
5^-4
If you are not allowed to have negative exponents
We know a^-b = 1/a^b
1 / 5^4
