Ahollow ball is made of rubber that is 1 cm thick. the ball has a diameter at the outside surface of 10 cm.

what is the approximate volume of rubber used to make the ball?

use 3.14 to approximate pi.

255.4 cm³

267.9 cm³

523.3 cm³

2043.1 cm³

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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