Question

( 3-¹ × 4-¹ × 5-¹ )-¹ =?

Answer 1

Step-by-step explanation:

(-1/12×1/5)^-1

(-1/60)^-1

=-60

Answer 2

✪ Question ✪

( 3⁻¹ × 4⁻¹ × 5⁻¹ )⁻¹ = ?

✪ To find ✪

The value of ( 3⁻¹ × 4⁻¹ × 5⁻¹ )⁻¹.

✪ Exponent law ✪

(1/a)⁻¹ = a, or a⁻¹ = (1/a)

✪ Solution ✪

( 3⁻¹ × 4⁻¹ × 5⁻¹ )⁻¹

= (1/3 × 1/4 × 1/5)⁻¹

= {(1×1×1)/(3×4×5)}⁻¹

= (1/60)⁻¹

= 60

✪ Hence ✪

( 3⁻¹ × 4⁻¹ × 5⁻¹ )⁻¹ = 60

✪ Therefore ✪

The value of ( 3⁻¹ × 4⁻¹ × 5⁻¹ )⁻¹ is 60.

๑ Hope this helps you. ๑