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3 years ago

56 * 65 to the 8th power in scientific notation and result

Mathematics

2 answers:

Ber [7]3 years ago

7 0

The answer is 17, 844, 109, 521, 875, 000.

in scientific notation its 1.7844109521875 * 10 to the 16th power

likoan [24]3 years ago

5 0

56*65^8=1.784*10^16

Explanation:
You'd do 65^8 and multiply that by 56.

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Natasha2012 [34]

Answer:

78 squared feet

Step-by-step explanation:

area= base x height

so 6 x 13 = 78

and yeah

HOPE I HELPED:))

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3 years ago

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The product of (x+2) (x-3) is

Aloiza [94]

Answer:

Step-by-step explanation:

$(x + 2)(x - 3)$

Multiply each term in the first parentheses by each term in the second parentheses ( FOIL)

$x(x - 3) + 2(x - 3)$

Calculate the product

${x}^{2} - 3x + 2x - 6$

Collect like terms

${x}^{2} - x - 6$

Hope this helps..

Best regards!

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4 years ago

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Stels [109]

Answer:

13. c,

14. a.

Step-by-step explanation:

13. The length of a side PQ with coordinates of

P as (x,y) and Q as (w,z)

is: $\sqrt{(x-w)^{2} +(y-z)^{2} }$

so, the length of the side AB =

$\sqrt{(5-5)^{2}+(-2+7)^{2} } =\sqrt{0^{2}+5^{2} } =5$

the length of side BC =

$\sqrt{(5-1)^{2}+(-7+2)^{2} } =\sqrt{(4)^{2}+(-5)^{2} } =\sqrt{4^{2}+5^{2} }$

the length of side AC=

$\sqrt{(5-1)^{2} +(-2+2)^{2} } =\sqrt{4^{2} } =4$

now, the easiest one will be when the vertices are on the coordinate axes.

so, option c will be the most appropriate one.

14. If u see the figure clearly, the lines l and FH are parallel.

the parallel postulate, i.e, the alternate interior angles will always be congruent.

here, the alternate interior angles are angle1 and angle4.

therefore to prove this step, he used parallel postulate as a reason.

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7 0

4 years ago

True or false domain,first element and y-value all have the same meaning

Delvig [45]

The answer is false. :) and do u need points to ask questions?

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4 years ago

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Please help 30 points Asap

Andrej [43]

40 units2˛

Looking at the figure, the rectangle has the vertexes (2,1), (3,-3), (-5,-5) and (-6,-1). The parallelogram has the vertexes (2,7), (3,3), (3,-3), and (2,1).

The area of a parallelogram is base times height. We have 2 vertical lines at x=2 and x=3, so the height is 1. And the length of the line from (3,3) to (3,-3) is 6, so the base is 6. Therefore the area of the parallelogram is 1*6 = 6.

The rectangle is a tad trickier since it's not aligned with either the x or y axis. But we can use the Pythagorean theorem to get the lengths.

L = sqrt((2 - -6)^2 + (1 - -1)^2)

L = sqrt(8^2 + 2^2)

L = sqrt(64 + 4)

L = sqrt(68) = 2*sqrt(17)

W = sqrt((2-3)^2 + (1- -3)^2)

W = sqrt((-1)^2 + 4^2)

W = sqrt(1 + 16)

W = sqrt(17)

And the area is length * width, so:

2*sqrt(17)*sqrt(17) = 2 * 17 = 34

And the total area is the sum of the areas, so

34 + 6 = 40

So the area of the figure is 40 square units.

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3 years ago

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