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Delvig [45]
3 years ago
12

Write 0.0000789 In scientific notation

Mathematics
1 answer:
marta [7]3 years ago
5 0

Answer:

7.89*10^-5

Step-by-step explanation:

First nonzero digit is 5 places to the right of the decimal point

0.0000<u>7</u>89

move decimal point over 5 places

7.89

mulitply by 10^-5 because the decimal point moved 5 places

7.89*10^-5

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Please help me with (9, 10, &amp; 12.) If you could find the answer along with the work, that would be lovely. Thanks!
sladkih [1.3K]
9. Answer: It's a proportional relationship, since every hour he charges $6.25.

Work: there is no work, but you did need the linear equation, which you have written in question 11,

10. Answer: Ratio of how much Steven charges per hour,
\frac{6.25}{1}

Work:
\frac{50 - 31.25}{8 - 5}  =  \frac{18.75}{3}  = \frac{6.25}{1}
12. Answer: $18.75

Work:
y = 6.25(x) \\ y = 6.25(3) \\ y = 18.75



3 0
3 years ago
Which list is in order from least to greatest? 1.94 times 10 Superscript negative 5, 1.25 times 10 Superscript negative 2, 6 tim
sergij07 [2.7K]

Answer:

The options in the question was not properly arranged/ formatted. See the arranged options in the explanation section

The correct option is A.

1.94 times 10 Superscript negative 5, (1.9 x 10⁻⁵)

1.25 times 10 Superscript negative 2 (1.25 x 10⁻²),  

6 times 10 Superscript 4 (6 x 10⁴),  

8.1 times 10 Superscript 4  (8.1 x 10⁴)

Step-by-step explanation:

Which list is in order from least to greatest?

1.94 times 10 Superscript negative 5,

1.25 times 10 Superscript negative 2,

6 times 10 Superscript 4,

8.1 times 10 Superscript 4

1.25 times 10 Superscript negative 2,

1.94 times 10 Superscript negative 5,

6 times 10 Superscript 4,

8.1 times 10 Superscript 4

1.25 times 10 Superscript negative 2,

1.94 times 10 Superscript negative 5,

8.1 times 10 Superscript 4,

6 times 10 Superscript 4

1.94 times 10 Superscript negative 5,

1.25 times 10 Superscript negative 2,

8.1 times 10 Superscript 4,

6 times 10 Superscript 4

Which list is in order from least to greatest?  

A.

1.94 times 10 Superscript negative 5, (1.9 x 10⁻⁵)

1.25 times 10 Superscript negative 2 (1.25 x 10⁻²),  

6 times 10 Superscript 4 (6 x 10⁴),  

8.1 times 10 Superscript 4  (8.1 x 10⁴)

B

1.25 times 10 Superscript negative 2 (1.25 x 10⁻²),  

1.94 times 10 Superscript negative 5 (1.9 x 10⁻⁵),  

6 times 10 Superscript 4 (6 x 10⁴),  

8.1 times 10 Superscript 4  (8.1 x 10⁴)

C.

1.25 times 10 Superscript negative 2 (1.25 x 10⁻²),

1.94 times 10 Superscript negative 5 (1.9 x 10⁻⁵),  

8.1 times 10 Superscript 4 (8.1 x 10⁴),  

6 times 10 Superscript 4  (6 x 10⁴)

D.

1.94 times 10 Superscript negative 5 (1.9 x 10⁻⁵),  

1.25 times 10 Superscript negative 2 (1.25 x 10⁻²),

8.1 times 10 Superscript 4 (8.1 x 10⁴),

6 times 10 Superscript 4  (6 x 10⁴)

5 0
3 years ago
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SashulF [63]

Answer:

-3.5

Step-by-step explanation:

6x + 16 = 2x + 2

4x = -14

x = -3.5

5 0
2 years ago
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Answer:

100x+150y≤1200

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slope = -2/3

y-intercept = (0,8)

Step-by-step explanation:

I graphed it on my calculator but I'm not really sure how to explain it beyond just sharing a screenshot of the image

I hope that helps

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Answer:

She would make $35.

Step-by-step explanation:

If you do 10 x 3.5, you will get the answer of $35.

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