Answer:
a) 7540
b) 43.39
Step-by-step explanation:
a)
[tex]\frac{245*20^2}{13} =\\\\\frac{245*400}{13}=\\\\\frac{98000}{13}=\\\\7540[/tex]
(to the nearest 10.)
b)
[tex]\sqrt{58-29}+38=\\\sqrt{29}+38=\\5.39+38=\\43.39\\or\\43.38[/tex]
(to the nearest hundredth)
43.38 is rounding down, 43.39 is rounding up. (43.385)
