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4 years ago

multiply or divide . keep your answer in scientific notation(MCC.8.EE.4) (4 x 10 4) (2.1 X10 9 ) B. 8 x 10 8 2 x 10 2

Mathematics

1 answer:

katrin [286]4 years ago

7 0

Answer:

The correct answer would be 8.4 x 10^13

Step-by-step explanation:

To multiply two different scientific notations, multiply the bases and add the exponents. These would be the rules to making sure that you get the correct answer.

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I need help with this asap please !! find the value of X

elena-s [515]

Answer:

x = 11

Step-by-step explanation:

By using angle bisector theorem,

"Bisector of an angle divides the opposite side of the angle into two segments such that they are proportional to the other two sides.

$\frac{AC}{CD}= \frac{AB}{BD}$

$\frac{8}{4}=\frac{x+3}{x-4}$

8(x - 4) = 4(x + 3)

8x - 32 = 4x + 12

8x - 4x = 32 + 12

4x = 44

x = 11

Therefore, value of x is 11.

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3 years ago

What is 2 X (6+ 2 + 8) -4

VladimirAG [237]

Answer:

The correct answer is 32x - 4

Step-by-step explanation:

1) Simplify 6 + 2 to 8.

$2x(8 + 8) - 4$

2) Simplify 8 + 8 to 16.

$2x \times 16 - 4$

3) Simplify 2x × 16 to 32x.

$32x - 4$

Therefor, the answer is 32x - 4.

4 0

3 years ago

Jon has to pay $7.50 admission for the skating rink and $1.50 per hour to rent rollerblades. Write an equation for the cost (y)

Nata [24]

Answer:

y = 7.50 + 1.50x

Step-by-step explanation:

The admission costs $7.50 and after x hours Jon has to pay $1.50*x. Then the cost y in dollars is

y = 7.50 + 1.50x where x is the number of hours.

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3 years ago

6 divided by 9.51 plz help me

astra-53 [7]

Answer:

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Step-by-step explanation:

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3 years ago