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1) 37,680 mm

2) 56.5 cm

3) 9198.1 ft

4) 427.9 m

Step-by-step explanation:

1. volume = πh

⇒ v = 3.14 x x 30

⇒ v = 37680

2. volme = V=π

⇒ v = 3.14 x

⇒ v = 56.52

3. volume = × π ×

⇒ v = × 3.14 x

⇒ v = 9198.106

4. volume of cylinder = πh

v = 3.14 x x 12

v = 51.14

volume of cone = π h

v =    x 3.14 x x 10

v = 376.8

volume total = volume clinder + colume cone

v = 51.14 + 376.80

v = 427.94

$79500

step-by-step explanation: