The value of (30 + 4−1) × 22 is
4
5
7
9
Given, (30 + 4−1) × 22
Now, 4−1 = 14 (∵a−1 = 1a),
and, 30 = 1 (∵ a0 = 1,where a≠0)
So, (30 + 4−1) × 22 = (1+14)× 22
= 54×4 = 5
Question 3(i) Find the value of:
(30+4−1)×22
Find the value of.
(i) (30 + 4−1) × 22 (ii) (2−1 × 4−1) ÷2−2
(iii) (iv) (3−1 + 4−1 + 5−1)0
(v)