Question

answer all please step by step explanation ​

Answer 1

Answer:

a=1/2

Step-by-step explanation:

a=8/34 by -64/17

=8/34×17/-64

=136/2176

=34/544

=17/272

=1/2

Answer 2

Answer:

a. 136/-2166

b. -300/-1215

c. -56/1029

d. -3430/2240

Step-by-step explanation:

a. 8/34 ÷ -64/17

= 8/34 × 17/-64

= 136/-2166

b. -6/45 ÷ -27/50

= -6/45 × 50/-27

= -300/-1215

c. -56/49 ÷ 21/1

= -56/49 × 1/21

= -56/1029

d. -49/35 ÷ 64/72

= -49/35 × 72/64

= -3430/2240