Roxie has 7 dresses, 2 hats, and 3 pairs of shoes. How many different ways can Roxie dress up? Class 8
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Roxie has 7 dresses, 2 hats, and 3 pairs of shoes. How many different ways can Roxie dress up? Class 8
Question 1.
Roxie has 7 dresses, 2 hats, and 3 pairs of shoes. How many different ways can Roxie dress up? Class 8
[Hint: Try drawing a diagram like the one above.]
Solution:
Total number of ways = 7 × 2 × 3.
Question 2.
How many passwords did they end up checking? Class 8
Solution:
10 × 10 × 10 × 10 × 10 = 105 = 100000 passwords as total digits are 10 (0, 1, 2, 3,..., 9).