Help with these 2 questions.
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can anyone help??

1538.60 ft³  and   6.50 cm

Step-by-step explanation:

Volume of a cylinder = area of a circle x height

                                   = r²×

1)  Volume =  r² x

                 = 3.14 x 7² x 10

                 = 1538.60 ft³ (to the nearest hundredth)

2)  Volume =  r² x

   58.9849 = 3.14 x 1.7² x

   58.9849 = 9.0746 x

                = 58.9849 ÷ 9.0746

                   = 6.50 cm (to the nearest hundredth)

b. b < 1 might be the correct answer