What is 21/78 as a mixed number

1 answer:

8 0

If you would like to simplify 21/78, you can do this using the following step:

21/78 = 7/26

The result is 7/26 (this is not a mixed number, because mixed numbers can be made from numbers greater than 1 and 7/26 is less than 1).

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After a %25 discount, the price of the television is now $600. What was the price before the discount?

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You will pay $450 for a item with original price of $600 when discounted 25%. In this example, if you buy an item at $600 with 25% discount, you will pay 600 - 150 = 450 dollars.

Before- 750

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3 years ago

An electronic product contains 53 integrated circuits. The probability that any integrated circuit is defective is 0.02, and the

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Answer: Hello!

Here you have 53 integrated circuits, each with a probability of 0.02 of being defective.

If only one of them is defective, then the electronic product doesnt work.

Then we need the calculate the probability in wich all the 53 circuits arent defective.

the probability for each one to not be defective is 1 - 0.02 = 0.98

And if i want to see the probability for all of them to work fine, then i need to do the product of all the probabilities, this is multiply 0.98 53 times, or:

$0.98^{53} = 0.34275$