Question

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?

Answer 1

I'll be glad to check your answers.

Answer 2

8.9*10^9

1/15 of an hour

90/9

19/30

x=900

72

$17.28

Answer 3

BUBBA's answers start with a wrong answer.

Answer 4

Thanks are any of them right?

Answer 5

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

Answer 6

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

Answer 7

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