Question

1) a jewelry store sells gold and platinum

Answer 1

The number of possible outcomes are 180.

How do you find the number of possible outcomes?

To find the total number of possible outcomes for two or more events, multiply the number of outcomes for each event together.

Given that,

We have two types of rings Gold and platinum

For this event (material) we have 2 outcomes.

Each ring is available in 10 style

For this event (style) we have 10 outcomes.

Each ring is fitted with 9 gemstones

For this event (gem) we have 9 outcomes.

Total number of possible outcomes  = 2×10×9

                                                            = 180

Hence, The number of possible outcomes are 180.

To learn more about number of possible outcomes from the given link

brainly.com/question/9222927

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