Question

Simplify the following expression using suitable laws of exponents
(10-3)4

Answer 1

Answer : 28

Step by step explanation :

$(10 - 3)4$

Subtract the numbers

$= > 7 \times 4$

Multiply the numbers

$= > 28$

Answer 2

Answer :- 28

1st Method

⇒ ( 10 - 3 ) 4

⇒ Multiply 4 with 10 and 3

⇒ 10 × 4 = 40 ----- (1)

⇒ 3 × 4 = 12 -----(2)

⇒ Now, Subtracting (2) from (1)

⇒ 40 - 12

⇒ 28

2nd Method

⇒ ( 10 - 3 ) 4

⇒ Subtracting 10 with 3

⇒ 10 - 3 = 7

⇒ Now, Multiply 4 with 7

⇒ 4 × 7

⇒ 28