Asked by Anonymous

Write the number in scientific notation.

89,000,000,000

A 4-minute egg is cooked for what fraction of an hour? (1 hour = 60 min)?

ADD
4 7/9+ 5 2/9

Erika spent 5/6 hr on her computer visiting the history channel and the discovery channel websites. She spent 1/5 hr at the history channel website. How many hours did she spend at the discovery channel website?

14 years ago

Answered by Ms. Sue

I'll be glad to check your answers.

14 years ago

Answered by BUBBA

8.9*10^9

1/15 of an hour

90/9

19/30

x=900

72

$17.28

14 years ago

Answered by Quidditch

BUBBA's answers start with a wrong answer.

14 years ago

Answered by anonymous

Thanks are any of them right?

14 years ago

Answered by Ms. Sue

I repeat -- we'll be glad to check YOUR answers.

14 years ago

Answered by anonymous

here are my answers please see if i am correct?

1. 8.9 *10^10

2. 4/60=1/15

3. 10

4.38/60

14 years ago

Answered by Quidditch

Yes!
All answers are correct.
Note that answer 4 could be reduced to 19/30 hours.

14 years ago

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