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Ronch [10]
3 years ago
6

Which number is in scientific notation

Mathematics
1 answer:
I am Lyosha [343]3 years ago
6 0
The  choice D is in scientific notation 
7.8*10^5
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HELPPPP
AVprozaik [17]

Answer:

The smaller number is: 8

The bigger number is: 20

Step-by-step explanation:

Ok let's say the two numbers are x and y.

x is the smaller one, and y is the bigger one.

This is the equation to find x:

x + 4y = 88

x + y = 28

x - x + 4y - y = 88 - 28

3y = 60

y = 20

x + 20 = 28

x = 8

4 0
3 years ago
Please help me and I’ll give you brainiest!!!!!!!!!
dsp73

<u><em>Answer:</em></u>

<u><em>S L O P E</em></u>

<u><em>Explain:</em></u>

<u><em>S L O P E</em></u>

4 0
2 years ago
Read 2 more answers
A single person pays $3,100 in income taxes on a gross income of $38,000. How much would a single person be expected to pay if h
elixir [45]
I/44000=3100/38000

i=3100(44000)/38000

i=$3589.47  (to nearest cent)
5 0
3 years ago
Show all work!!!!! brainleist will be given!
Gala2k [10]

Answer:

+30

Step-by-step explanation:

1255- 1075 = 180

180 /6 = 30

4 0
3 years ago
Pump 1 can empty a pool in 9 hours while Pump 2 can empty the same pool in 12 hours. If the two pumps worked together, how long
ruslelena [56]

Answer:

About 5 hr 10 min  

Step-by-step explanation:

rate 1   = 1  pool / 9 hrs          rate 2 = 1 pool / 12 hours

now find the time with both rates combined

1 pool / ( 1/9 + 1/12)  =   1/ (7/36)  =   36/7 hr  = 5 1/7 hr = 5 hr 8.6 min

8 0
2 years ago
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