Question

plz give full answer of 18 and 19 Questions ​

Answer 1

Answer:

Step-by-step explanation:

[18]

convert the mixed fraction into an improper fraction

and you will get

729/169

now √(729/169) = 27/13

[19]

√81 = 9

√0.81 can be written as √81/100 Which is = 9/10

√0.0081 Can be written as √81/10000 which is equal to 9/100

and √10000 = 100

so the question is now

(9 + 9/10 + 9/100) 100

open bracket to get

900 + 90 + 9

= 999

hope this helps ☺️

Answer 2

Answer:

a] 4 53/169 into improper fraction

√729/√169

square root of 729 is 27 and of 169 is 13 so the square root of 4 53/169 is

27/13 that is 2 1/13

b]√81 + √0.81 + √0.0081  + √10000

 9 + 0.9 + 0.09 + 100

 109.99