Question

Help me pls if you now the question

Answer 1

a) 7540

b) 43.39

Explanation:

a)

`(245*20^2)/(13) =\\\\(245*400)/(13)=\\\\(98000)/(13)=\\\\7540`

(to the nearest 10.)

b)

`√(58-29)+38=\\√(29)+38=\\5.39+38=\\43.39\\or\\43.38`

(to the nearest hundredth)

43.38 is rounding down, 43.39 is rounding up. (43.385)