Question

81‐¾ please help me solve this​

Answer 1

Answer:

$\frac{321}{4} (80 \frac{1}{4} )$

Step-by-step explanation:

$81 - \frac{3}{4} \\ \\ = \frac{(81 \times 4) - 3}{4} \\ \\ = \frac{324 - 3}{4} \\ \\ = \frac{321}{4} = 80 \frac{1}{4}$

Hence 81-¾ = 321/4 (80.¼)

hope it helps.

Answer 2

Step-by-step explanation:

We know that 81 can be expressed in the power of 3

81 = 3 X 3 X 3 X 3

8 = 3^4

Hence the given number becomes

813/4 = 3^4(3/4)

=3^3

= 27