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PolarNik [594]
2 years ago
11

What is 30,000 expressed in scientific notation

Mathematics
1 answer:
Arisa [49]2 years ago
3 0

Answer:

3 x 10^4

Step-by-step explanation:

the decimal is behind the 3 (3.) and you move the decimal 4 times to the right

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F the endpoints AB of have the coordinates A(9, 8) and B(-1, -2), what is the midpoint of AB?
lys-0071 [83]
In these kind of problems, it's always the best to just draw it. There are "formulas" to calculate this, but it's better to know intuitively.


Midpoint, as the name suggests is the point that is exactly halfway between two points. To find a midpoint in one dimension, we would take an average between those two points.
Example: Number exactly halfway between  8 and 16 is  \frac{8 + 16}{2}= 12

We can do the same for two dimensions, it just means we'll have to calculate both for x-values and y-values

Midpoint ( \frac{x_{1}+x_{2} }{2} , \frac{y_{1}+y_{2} }{2} ) = ( \frac{9-1 }{2} , \frac{8-2 }{2} ) =( 4, 3 )

6 0
3 years ago
A line segment has endpoints at (-7, 2) and (8,8). What is the x-coordinate of the point on the line segment that is the distanc
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Answer:

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8 0
3 years ago
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Store A
MArishka [77]
<h3>Answer: Choice C) $1,444.50</h3>

========================================================

There are two methods to get the answer.

The slightly longer method is to take 7% of the original price to get

7% of 1350 = (7/100)*1350 = 0.07*1350 = 94.50

The sales tax is $94.50

Add this onto the original price to get 1,350+94.50 = 1,444.50

----------------------------

A shortcut is to multiply the original price by 1.07

The multiplier 1.07 represents a 7% increase since

  • 1 = 100%
  • 0.07 = 7%
  • 1.07 = 1 + 0.7 = 100% + 7%

So we will have 1.07*1350 = 1,444.50

4 0
3 years ago
Sam has nine flower pots, and want to display four of them on the front porch, in a row. (The order of the pots matters.) How ma
diamong [38]
Permutations of 9 flower pots taken 4 at a time:

nPr = 9P4 = 3,024 - displays possible when order of flower pots matters.
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I at least think what this is asking.
4 0
3 years ago
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PLEASE HELP WILL GIVE BRAINLIEST ANSWER IF CORRECT
Fofino [41]
Unit rate = 36

---------------------------------
8 0
3 years ago
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