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UNO [17]
3 years ago
13

Select the answer with the correct number of significant figures for each calculation. (6.022 × 10^23) × 2.58 = 1.55 × 10^24 1.5

54 × 10^24 1.5537 × 10^24
Mathematics
2 answers:
maxonik [38]3 years ago
5 0

Answer:

1.55 × 10^24

Step-by-step explanation:

Oduvanchick [21]3 years ago
3 0

The answer is A aka 1.55 x 10 to the power of 24

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Help please! How would I solve a 2 step equation like this? 4(x-2)=14
sattari [20]

Answer: Hi!

Okay. So this equation we will solve using something called the distributive property. We use the distributive property to multiply the terms inside the parentheses (x and -2) by the term outside and in front of the parentheses (4). First, we would multiply 4 * x, which is 4x. Then, we would multiply 4 * -2, which is -8. Out equation now looks like this:

4x - 8 = 14

Our goal is to isolate the x, so now we'll use inverse operations to remove the -8 from the equation. The inverse operation for subtraction is addition, so we would add 8 to both sides:

4x - 8 = 14

   + 8  + 8

The eights cancel out, so we're left with this equation:

4x = 22

Last step! We're almost done. All we have to do now is divide 4 on both sides; in the term 4x, 4 is being multiplied by x, so the inverse operation would be division.

4x ÷ 4 = x

22 ÷ 4 = 5.5

Our equation now looks like this:

x = 5.5

So, 5.5 is equal to x! This would be your answer!

Hope this helps!

6 0
3 years ago
Mike's Music charges $45 per hour. Tim's Tunes
klemol [59]

Answer:

Answer 4. (5 1/3 hours)

Step-by-step explanation:

240/45=5.333333333

5 0
3 years ago
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I need help on my math homework plzz help plzzz
earnstyle [38]

D because 144 /45% is 320 EZ hope i helped you drop a brianlest for me to pls


8 0
3 years ago
The value of the 7 in 3,796.41 is of the value of the 7 in which of the following numbers?
kifflom [539]
I think is A Please tell me is right?
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3 years ago
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Find the vector and parametric equations for the line through the point P(0, 0, 5) and orthogonal to the plane −1x+3y−3z=1. Vect
yulyashka [42]

Answer:

Note that orthogonal to the plane means perpendicular to the plane.

Step-by-step explanation:

-1x+3y-3z=1 can also be written as -1x+3y-3z=0

The direction vector of the plane -1x+3y-3z-1=0 is (-1,3,-3).

Let us find a point on this  line for which the vector from this point to (0,0,5) is perpendicular to the given line. The point is x-0,y-0 and z-0 respectively

Therefore, the vector equation is given as:

-1(x-0) + 3(y-0) + -3(z-5) = 0

-x + 3y + (-3z+15) = 0

-x + 3y -3z + 15 = 0

Multiply through by - to get a positive x coordinate to give

x - 3y + 3z - 15 = 0

4 0
3 years ago
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