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OLEGan [10]
2 years ago
13

Express your answer in scientific notation. 4.1 x 10^-2 - 2.6 x 10^-3

Mathematics
1 answer:
bekas [8.4K]2 years ago
4 0

(4.1 \times  {10}^{ - 2}) - (2.6 \times  {10}^{ - 3}) =  \\

(4.1 \times  {10}^{ - 2}) - (0.26 \times  {10}^{ - 2}) =  \\

Factoring \:  \:  {10}^{ - 2}

(4.1 - 0.26) \times  {10}^{ - 2}  =

3.84 \times  {10}^{ - 2}

_________________________________

And we're done.

Thanks for watching buddy good luck.

♥️♥️♥️♥️♥️

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the answer i got was 50,000


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5 0
2 years ago
Which do you think is easier to understand and why do you think so, multiplying radicals or multiplying polynomials?
Vera_Pavlovna [14]

I believe that its easier to understand the multiplication of a radical than that of a polynomial.

<h3>How to illustrate the information?</h3>

In mathematics, a radical is the opposite of an exponent that is represented with a symbol '√' also known as root.

A polynomial is an expression which is composed of variables, constants and exponents, that are combined using the mathematical operations such as addition, subtraction, multiplication and division.

When multiplying radicals with the same index, multiply under the radical, and then multiply in front of the radical. An example is:

= 3✓2 × 4✓2

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= 12 × 2

= 24

The multiplication of a radical is easier.

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brainly.com/question/2833285

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3 0
1 year ago
Find all solutions of the given system of equations (If the system is infinite many solution, express your answer in terms of x)
lisov135 [29]

Answer:

(a) The system of the equations \left \{ {2x-3y\:=3} \atop {4x-6y\:=3}} \right. has no solution.

(b) The system of the equations \left \{ {4x-6y\:=10} \atop {16x-24y\:=40}} \right. has many solutions y=\frac{2x}{3}-\frac{5}{3}

Step-by-step explanation:

(a) To find the solutions of the following system of equations \left \{ {2x-3y\:=3} \atop {4x-6y\:=3}} \right. you must:

Multiply 2x-3y=3 by 2:

\begin{bmatrix}4x-6y=6\\ 4x-6y=3\end{bmatrix}

Subtract the equations

4x-6y=3\\-\\4x-6y=6\\------\\0=-3

0 = -3 is false, therefore the system of the equations has no solution.

(b) To find the solutions of the system \left \{ {4x-6y\:=10} \atop {16x-24y\:=40}} \right. you must:

Isolate x for 4x-6y=10

x=\frac{5+3y}{2}

Substitute x=\frac{5+3y}{2} into the second equation

16\cdot \frac{5+3y}{2}-24y=40\\8\left(3y+5\right)-24y=40\\24y+40-24y=40\\40=40

The system has many solutions.

Isolate y for 4x-6y=10

y=\frac{2x}{3}-\frac{5}{3}

3 0
2 years ago
I also need help with these two
lorasvet [3.4K]

Answer: #13 you need to know that the sides are equal. #14 (7,6)

Step-by-step explanation: #14 in picture

4 0
2 years ago
You want to know how long it will take to get to the town of Fondue Ville on your bike, which is 84 km away. You travel 12 km ev
kiruha [24]
84/12= 7
7x30= 210

210 minutes//3.5 hrs
7 0
3 years ago
Read 2 more answers
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