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3 years ago

The results in scientific notation!?

Mathematics

1 answer:

ASHA 777 [7]3 years ago

3 0

Answer:

1.4×10⁵

Step-by-step explanation:

first simplify the power of 10 then get 7÷5 = 1.4

1.4×10⁵ is the answer

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Miss stephens is buying pencils for all of her students,she already has 7 pencils,and needs a total of 59. If they come in packs

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Answer:

Step-by-step explanation:

13 x 4 = 52 + 7 = 59

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3 years ago

A bag of nuts weighs 3 ounces and costs 50 cents. What is the unit price? Round to the nearest cent.

galina1969 [7]

Answer:

50 cents/3 ounces = 16.67 cents/ounce

Step-by-step explanation:

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3 years ago

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Need some help on this math question.

melamori03 [73]

Answer:

4x cm.

Step-by-step explanation:

Suares have to have all 4 sides equal. The area of the rectangle (2x8) is 16.

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3 years ago

Select the correct answer.

Eva8 [605]

Answer:

Equation C: 5/8x + 2..5 = 3/8x + 1.5 + 1/4x

Step-by-step explanation:

Let us go through each of the equations one by one.

Equation A: $2.3y+2+3.1y=4.3y+1.6+1.1y+0.4$

This simplifies to

$5.4y+2=5.4y+2$

which has infinitely many solutions.

Equation B: $32x+25-21x=10x$

this simplifies to

$x+25=0$

$x=-25$

which is exactly one solution.

Equation C: $\frac{5}{8} x+2.5=\frac{3}{8}x+1.5+\frac{1}{4} x$

this simplifies to

$\frac{5}{8} x+2.5=\frac{5}{8} +1.5$

$2.5=1.5$

There's no way this is going to be possible; this equation has no solutions.

Equation D: $\frac{1}{3} x+\frac{1}{7} x=\frac{3}{7} x$

this gives

$\frac{1}{3} =\frac{2}{7} y$

$y=\frac{7}{6}$

which is exactly one solution.

Thus we see that it is equation C that has no solutions.

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3 years ago

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DanielleElmas [232]

Answer:

6 nights with 4 logs left over

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2 years ago

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