Question

Help me pls if you now the question

Answer 1

Answer:

a) 7540

b) 43.39

Step-by-step explanation:

a)

$\frac{245*20^2}{13} =\\\\\frac{245*400}{13}=\\\\\frac{98000}{13}=\\\\7540$

(to the nearest 10.)

b)

$\sqrt{58-29}+38=\\\sqrt{29}+38=\\5.39+38=\\43.39\\or\\43.38$

(to the nearest hundredth)

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