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lesya692 [45]
3 years ago
11

Express 86400 in scientific notation

Mathematics
1 answer:
frozen [14]3 years ago
6 0
86,400 in scientific notation is <span>8.64 x 10^4</span>
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The dose of a strong cough medicine might be which of the following? 2mL, 200mL, 2L
Margarita [4]
To find the answer,we can picture how much the above value is by objects in real life.

2mL = about two drops of water

200mL = about a carton of milk/ a box of ornage juice

2L = 2000 × 10 mL = 20000 mL = The bottle of drinks that are in family/party size.

As we only take in small dosages of medicine, the best option would be 2mL.

Hope it helps!
6 0
3 years ago
Evaluate the expression when a=-2 and x=7.<br> -2a+x
ziro4ka [17]

Step-by-step explanation:

-2a + x

Putting values of a = - 2 and x = 7

-2(-2) + 7

4 + 7

= 11

8 0
2 years ago
Read 2 more answers
How many cups in a gallon of milk
KatRina [158]
Using the metric system, a gallon is equal to 16 cups.
Therefore, there are 16 cups in a gallon of milk.

I hope this helps a lot! :)
6 0
3 years ago
Find the sum of-36, -14, and 81
S_A_V [24]
-36+(-14)+81=81-36-14=45-14=31




"Non nobis, Domine, non nobis, sed Nomini tuo da gloriam."



Regards M.Y.
3 0
3 years ago
Hey there I need some assistance need on this problem. What do I mean by checkpoints and how am I supposed to find the y-interce
MakcuM [25]

Slope Formula: y2 - y1 / x2 - x1

(m and slope represent the same quantity)

m = 1 - - 5 / -4 - 0

m = 1 + 5 / -4

m = 6 / -4

m = -3/2

Now that we know the slope, we can plug the slope and one of our points into slope-intercept form (y = mx + b) and solve for b. I will be using the point (-4,1).

y = -3/2x + b

1 = -3/2(-4) + b

1 = 6 + b

b = -5

In point form, the y-intercept is (0, -5).

Therefore, to get the equation all we need to do is plug in our slope and b-value to slope-intercept form.

Equation: y = -3/2 x - 5

To check the point (-6, -14) we plug it into our equation and see if the two sides are equal.

-14 = -3/2(-6) - 5

-14 = 9 - 5

-14 = 4

-14 does not equal 4, therefore the point is NOT on the line.

Hope this helps!

6 0
3 years ago
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