Sagot :
Answer:
1. a) exponent
2. a) 5
3. b) 2
4. c) 21
Step-by-step explanation:
1. X^n
where X=base
n=exponent
2. 3b+4=19
3b=19-4
3b=15
b=15/3
b=5
3. referring to Question 1. n=exponent. therefore, n=2
4. (45/3)+2(3)
using PMDAS rule where Parenthesis and multiplication operators are to be computed before adding them
(15)+(6)
21