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3 years ago

Which of the following is written in scientific notation correctly?

Mathematics

1 answer:

snow_lady [41]3 years ago

8 0

Answer:

The answer is B.thus 7.4*10^9

Step-by-step explanation:

This is because,in scientific notation, we deal with numbers which are in the standard form

And from alt A-D , only the alt B is in the standard form. the rest are not in the standard form hence cannot be considered them as written In scientific notation.

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Trigonometry

Mashcka [7]

The area of the triangle EFG is 7.4 square units.

Explanation:

Given that the measurements of the sides of the triangle are EF = 8, EG = 8 and $m\angle E=22^{\circ}$

We need to determine the area of the triangle EFG

Area of the triangle:

The area of the triangle EFG can be determined using the formula,

$\text {Area}=\frac{1}{2} fg \sin E$

Substituting the values, we get,

$\text {Area}=\frac{1}{2} (5)(8) \sin 22^{\circ}$

Simplifying the values, we have,

$\text {Area}=\frac{1}{2}(40)(0.37)$

Multiplying, we get,

$\text {Area}=\frac{14.8}{2}$

Dividing, we get,

$\text {Area}=7.4$

Hence, the area of the triangle EFG is 7.4 square units.

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Olivia thinks of a number she multiplies her number by 6 and gets an answear of -54 what was her original number

erastovalidia [21]

Answer:

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Step-by-step explanation:

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Pani-rosa [81]

Standard form: 2x - 16 = 0

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Describe what a cylinder is. What are the shapes that make up the different sides?

EastWind [94]

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ikadub [295]

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