Question

Simplity (2-¹×5-¹) -¹÷4-¹​

Answer 1

Answer:

40

Step-by-step explanation:

• given, ( 2^-1 × 5^-1 )^-1 ÷ 4^-1
• = ( 1÷2 × 1÷5 )^-1 ÷ ( 1÷4 )
• = ( 1÷10 )^-1 × 4 ( by using calculator )
• = 10 × 4
• = 40
• Ans