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8090 [49]
3 years ago
10

What is the power of 10 when 0.000028 is written in scientific notation

Mathematics
1 answer:
Luden [163]3 years ago
6 0
The power of 10 is -5 

Move the decimal point to the right until the first significant number and in this problem it is 2. It took 5 places to the right until going past the 2 and the number would be negative because going right past the decimal point will make any power negative. 
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The U.S. Senate has 100 members. After a certain​ election, there were 16 more Democrats than​ Republicans, with no other partie
mixer [17]

Answer:

34 Republicans 66 democrats

Step-by-step explanation:

so if there are 100 members evenly split, the 2 parties would each have 50

this is the starting point you add 16 to the democratic side resulting in 66 but then you take 16 from the Republican side making it 34

3 0
3 years ago
Pls answer this with an explanation if you can
Nuetrik [128]

Answer:

The answer is D

Step-by-step explanation:

$13.95 divided by 100 = 1% which is equal to $0.1395

To get 15% of her bill, you need to multiply $0.1395 by 15 which gives you $2.0925. You then round this to 2 significant figures, which totals to $2.10.

3 0
3 years ago
Please help! ill give brainliest
anastassius [24]

Answer:

y=-6

Step-by-step explanation:

1. plug in the values, it will be y=4/3(-6) + 2

2. simplify

y=-24/3 + 2

y=-8+2

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I hope this helped, and if it did, please mark this as brainliest! thanks

4 0
3 years ago
14. A plane traveled from California and back. It took one hour longer on the way out than it did on the way back. The plane's a
kow [346]

Answer:

  C.  7 hours

Step-by-step explanation:

Let the time for the trip out be represented by t. Then the time for the return trip is t-1. The distance was the same for both trips, so we have ...

  distance = speed × time

  300t = 350(t -1)

  300t = 350t -350 . . . . eliminate parentheses

  350 = 50t . . . . . . . . . . add 350-300t

  7 = t . . . . . . divide by 50

The trip out took 7 hours.

8 0
3 years ago
What’s the cube root of -9
Aneli [31]
It might be -3 because 3•-3 is -9?
7 0
3 years ago
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