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Yuliya22 [10]
3 years ago
13

What is scientific notation?

Mathematics
2 answers:
juin [17]3 years ago
8 0
Scientific notation<span> is the way that scientists easily handle very large numbers or very small numbers. For example, instead of writing 0.0000000056, we write 5.6 x 10</span>-9<span>.</span>
ivanzaharov [21]3 years ago
3 0
Scientific notation is a math skill that scientists or mathematicians use to multiply large numbers EX: 2.34x10^7 = 23,400,000 <span />
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How much heat is released when 12. 0 grams of helium gas condense at 2. 17 K? The latent heat of vaporization of helium is 21 J/
aleksandr82 [10.1K]

The amount of heat released when 12.0g of helium gas condense at 2.17 K is; -250 J

The latent heat of vapourization of a substance is the amount of heat required to effect a change of state of the substance from liquid to gaseous state.

However, since we are required to determine heat released when the helium gas condenses.

The heat of condensation per gram is; -21 J/g.

Therefore, for 12grams, the heat of condensation released is; 12 × -21 = -252 J.

Approximately, -250J.

Read more on latent heat:

brainly.com/question/19863536

7 0
2 years ago
a ferry is traveling at a constant speed back to the dock, as shown in the graph. which function represents the relationship bet
horsena [70]

Answer: y = -35x + 105

Step-by-step explanation:

The graph represents a function that is between hours and miles and to determine the equation which belong to this graph, we need to find the slope first by using two points from the graph which are (0, 105) and (3, 0).

The definition of slope is

m = (y2 - y1)/(x2 - x1)

= (0-105)/3-0

= -105/3

= -35

The slope is -35 and remember that the slope is the coefficient of the variable x. Therefore, the answer is:

y = -35x + 105

6 0
2 years ago
What is the number of cycles of y=1/8cos(5θ+π/6)+3 between 0 and 2π?
mr_godi [17]

You are correct. The answer is B) 5.

This is because the period here is T = 2pi/5

Multiplying 5 with this period leads to 5*(2pi/5) = 2pi; showing that 5 full cycles occupy a total horizontal width of 2pi units (more specifically stretching from 0 to 2pi).

8 0
2 years ago
Tell weather a triangle can have the given angle measure if not change the first angle measure so that the angle measure form a
uranmaximum [27]
The angels in a triangle should be 180° all
85+64+30=179<180
so we should add 1° to the first one
the angels would be 86 64 30
7 0
3 years ago
SOMEONE PLEASE ANSWER THIS ASAP RN FOR BRAINLIEST!!!!!
ololo11 [35]

Answer:

The answer would be d(c(x)) = .60x - 5

Step-by-step explanation:

In order to write an equation for d(c(x)), start with the d(y) equation.

d(y) = .80y - 5

Now input the c(x) equation in for y and then solve.

d(c(x)) = .80(.75x) - 5

d(c(x)) = .60x - 5

7 0
2 years ago
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