3 years ago

When evaluating (3.25x10^5)(1.82x10^3) what will be the exponent of 10 in the product

Mathematics

1 answer:

sasho [114]3 years ago

5 0

Answer: Try 8 or C because you either add or subtract the exponents but 2 isn’t there so try 8

Step-by-step explanation:

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Which statement is true about the equations 3x + 4y = 12 and ¿-X- = = 1?

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If the following system of equations was written as a matrix equation in the form AX = C, and matrix A was expressed in the form

IrinaVladis [17]

Answer: a-b+c+d =4

Step-by-step explanation:

The given system of equation is

$2x+8y=7\\4x-2y=9$

from this we have the following matrices

$A_1 =\begin{bmatrix}\\2 &8 \\ \\4&2 \\\end{bmatrix}\ ,X=\begin{bmatrix}\\x\\ \\y\\\end{bmatrix}\text{and}\ C=\begin{bmatrix}\\7\\ \\9\\\end{bmatrix}$

the given matrix A = $\begin{bmatrix}\\a &c \\ \\b &d \\\end{bmatrix}$

On comparing Matrix $A_1$ with Matrix A

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we have the following values

a=2 ,b=4,c=8,d=-2

Thus a-b+c+d =2-4+8+(-2)=4

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3 years ago

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Kendra walked diagonally across a rectangular field that is 45 m by 65 m. To the nearest tenth of a meter, how far did she walk?

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Step-by-step explanation:

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3 years ago

Solve for x in the equation.

oksano4ka [1.4K]

$x^2 + 20x + 100 = 36$

$(x + 10)^2 = 36$

$x + 10 = \pm \sqrt{36}$

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$x = -4$ or $= -16$

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3 years ago