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10. Define an operation ★ on the set of real numbers as follows: a ★ b = 0.5ab If 0.1 ★ b = 10, then evaluate bb. a. 500 b. 200 c. 20 d. 50 Please explain how you got your answe…

10. Define an operation ★ on the set of real numbers as follows: a ★ b = 0.5ab If 0.1 ★ b = 10, then evaluate bb. a. 500 b. 200 c. 20 d. 50 Please explain how you got your answe…
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1 vote
10.

Define an operation ★ on the set of real numbers as follows:


a ★ b = 0.5ab

If 0.1 ★ b = 10, then evaluate bb.


a. 500


b. 200


c. 20


d. 50

Please explain how you got your answer.

asked
User SonOfNun
by
7.9k points

1 Answer

1 vote

If a ★ b = 0.5ab, then

0.1 ★ b = 0.5 (0.1) b = 0.05b = 10

==> b = 10/0.05 = 200

answered
User Sumandeep
by
7.4k points
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