Answer:
6
Step-by-step explanation:
Use order of operations.
42/(15-2^3)
Exponents in Parentesis
42/(15-8)
Subtraction inParenthesis
42/7
Division
Q1. 12+3×2=N
12+6=N
18=N
Ans: D
Q2. 5+7×2=5+14
=19
Ans: A
Q3. 4-(3-2)+1×(15÷3)=N
4-1+1×5=N
4-1+5=N
8=N
Q4. 48÷(5-1)=N
48÷4=N (last step)
12=N (value of N)
Ans: B
Q5. Ans: D
(a): 46 degrees
(b): 63 degrees
(c): 27 degrees
(d): 60 degrees
