Answer: the third one
Step-by-step explanation:
Answer:
26) underroot 2=1.4
27) underroot 20=4.5
Step-by-step explanation:
Answer:

Step-by-step explanation:
separate with like terms

the first fraction can be left alone as it can't be simplified any further
the second fraction can be written as w⁹ ÷ w¹ , when the bases are the same and division is involved subtract the powers: 9 - 1 = 8, so it's simplified to w⁸
the third fraction can be written as m⁵ ÷ m⁹, subtract the powers: 5 - 9 = -4, so it's simplified to m⁻⁴

putting it together:

Answer:
Step-by-step explanation:
The first one
Too long busy make it shorter