Question

[ 2 the power -1 x 5 the power -1]the whole power
-1 ÷ 4 the power-1​

Answer 1

Answer:

40

Step-by-step explanation:

2 ^ -1 = 1/2

5^ -1 = 1/5

4^ -1=1 /4

(1/2 * 1/5 )^ -1 = (1/10)^ -1

                     ⇒10

(1/2*1/5)^ -1 ÷ 1/4 ⇒

⇒ 10/(1/4)

⇒10*4

⇒40

Answer 2

Answer:

(2‐¹ ×5‐¹)‐¹÷4‐¹

((2×5)-¹)-¹÷4-¹

(10-¹)-¹÷4-¹

(10‐¹×-¹)÷¼

10÷¼

10×4

40

hope it helps

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