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Nostrana [21]
3 years ago
15

Write 0.000739 in scientific notation.

Mathematics
2 answers:
jek_recluse [69]3 years ago
6 0

Answer:

7.39 × 10-4^-4

Step-by-step explanation:

fenix001 [56]3 years ago
5 0

Answer:

7.39 × 10-⁴

Step-by-step explanation:

m × 10ⁿ, where m is a number between 1 and 10 ( 1 ≤ |m| < 10 ) and the exponent n is a positive or negative integer.

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What number is ten thousand less than 842,719
Arte-miy333 [17]


The answer is 832,719.

842,719  - 10,000 = 832,719

6 0
3 years ago
Arianna is working two summer jobs, making $6 per hour walking dogs and making $10 per hour tutoring. In a given week, she can w
Mice21 [21]

Step-by-step explanation:

x = number hours dog walking

y = number hours tutoring

x + y <= 11

6x + 10y >= 80

the solution is the common area below the first line and above the second line.

the first line is above the second line (due to the y-intercept of 11 vs. 8) until the crossing point.

for the crossing point we use the regular equations :

from the first we get

x = 11 - y

using this in the second

6×(11 - y) + 10y = 80

66 - 6y + 10y = 80

4y = 14

y = 14/4 = 7/2 = 3.5

x = 11 - y = 11 - 3.5 = 7.5

so, she has to do at least 3.5 hours tutoring (and then 7.5 hours dog walking) for the minimum of $80 earning, all the way up to the maximum of 11 hours tutoring (and 0 dog walking) for $110 earning.

8 0
3 years ago
A castle is surrounded by a circular moat which is 5 m wide
Elanso [62]

Answer:

  1414 kL

Step-by-step explanation:

The volume of the donut-shaped moat is the product of its surface area and depth. The area is the product of its centerline length and its width.

<h3>Moat area</h3>

The diameter of the centerline of the moat is (50 m -5 m) = 45 m. The length of that centerline is ...

  C = πd = π(45 m) = 45π m

The area is this length times the width of the moat:

  moat area = (45π m)(5 m) = 225π m²

<h3>Moat volume</h3>

The volume is the product of the area and the depth of the moat:

  V = Ah = (225π m²)(2 m) = 450π m³ ≈ 1413.72 m³

1 cubic meter is 1000 liters, 1 kiloliter.

The volume of the moat is about 1414 kL.

5 0
1 year ago
Drag the slider to see the number of water lilies in
Misha Larkins [42]

Answer:

0 days:  

4

1 day:    

4

2 days:  

5

3 days:  

6

4 days:  

6

5 days:  

7

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Evaluate 4(6) + 7 (5 - 3 ) <br> A: 118<br> B: 80<br> C: 10<br> D: 38
ivanzaharov [21]
<span>4(6) + 7 (5 - 3 ) 
= 24 + 7(2)
= 24 + 14
= 38

answer
</span><span>D: 38</span>
5 0
3 years ago
Read 2 more answers
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