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4 years ago

14

Cards numbered 1 through 30 are placed in a bag and shuffled . One card is chosen at random. What is the probability of randomly

selecting a number less than or equal to 5,or a multiple of 7. Answers 1/30 1/15 2/15 3/10

1 answer:

Oduvanchick [21]4 years ago

7 0

Answer: 3/10

Step-by-step explanation: To find it you just count all of the numbers: 1,2,3,4,5,7,14,21,28

there are 9 numbers so 9/30 = .3

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3 years ago

Alex wrote the expanded form for the number 165.038 as 100+60+5+30+8. Was he correct? If not give expanded form.

oksano4ka [1.4K]

We have the next number

$165038$

The expanded form of the number is

$100000+60000+5000+30+8$

Also, we can verify that Alex was incorrect because if we do the sum of the expanded form that Alex calculated we obtain

$\begin{gathered} 100+60+5+30+8=203 \\ \text{And }203\ne165038 \end{gathered}$

Finally, the correct answer is

$100000+60000+5000+30+8$

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1 year ago