What is 780 in scientific notation?

Answers

Answer 1
Answer: scientific notation is
x*10^y such that
1<x<10

780=7.8 times 100=7.8 times 10^2

7.8*10^2
Answer 2
Answer: Answer: 7.8*10^2
1<n<10
1<(7)<10



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The value of 7 is 200 percent of what number?

The music festival took 77 days to plan. How many weeks did it take to plan the festival?
(1 week = 7 days)





A.


539 weeks


B.


85 weeks


C.


70 weeks


D.


11 weeks

Answers

77/7 = 11
D)11 weeks is the answer

What is a rule for the pattern 8,6,9,7,10...

Answers

the pattern is subtracting 2 then adding 3

Gloria earns 1.5 times her normal hourly pay for each hour that she works over 40 hours in a week. Here normal pay is $9.70 per hour. Last week Gloria earned $489.85 How many hours did she work last week?

Answers

She earns ($9.70x40) for a 40 hour week=$388
She earned $489.85-$388 extra= $101.85
She gets paid $9.7x1.5 for every extra hour=$14.55
She worked $101.85/$14.55 hours extra=7hours
She worked 7+40 hours that week=47 hours

What is bigger 7/8 or 0.78

Answers

Solutions 

To solve the problem we first have to convert the fraction into a decimal. To convert a fraction into a decimal you have to divide the numerator by the denominator. 

7/8 
= 7 ÷ 8 
= 0.875 

0.875 is bigger then 0.78 therefore 7/8 is greater. 

Mikey bought 4 of the 500 raffle tickets sold towin a new TV. What is the probability that he will
win the TV

Answers

Answer:

4/500

Step-by-step explanation:

Simplify where possible 3a - 4a 6a

Answers

the answer is 5a. 3a- 4a is -1 then you add -1 and 6, and your outcome comes out to be 5a.