Question

2. Evaluate:
a) {(7)° + (4)-¹} × (2)²​

Answer 1

Answer:

$( {(7)}^{0} + {4}^{ - 1} ) \times {2}^{2}$

$(1 + {4}^{ - 1} ) \times {2}^{2}$

1 + 1 × 2^2

__

4

=> 4 + 1 × 2 × 2

____

4

=> 5 × 4

__

4

=> 5

Ans. 5

Hope it helps.