Question

3 question and 4 question from lesson Exponents and powers​

Answer 1

Answer:

3) 48

4) 13/16

Step-by-step explanation:

3- (4x9x4)/3=48

4-. (1/2+1/3+1/4)x3/4=13/16

Answer 2

${9}^{ - 3} \times \frac{3}{4} \\ - 27 \times \frac{3}{4} \\ - \frac{81}{4} \\ \\ = 2.25$

answer