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3 years ago

How do you write 8.45 × 10–5 in standard form

Mathematics

2 answers:

Ghella [55]3 years ago

5 0

We move the decimal point to the left by five figures to get 0.0000845

Elza [17]3 years ago

5 0

Answer:

845x10(-2) x .00010

Step-by-step explanation:

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If the angle of a sector measures 60°, what fraction of the circle is the sector?

maks197457 [2]

The angle of the sector is also equal to the arc measure of the circle. This is because a sector is made up of two radii of a circle.

A circle is 360 degrees.

60 / 360 = 1/6

The sector is 1/6 of the circle.

Hope this helps!! :)

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3 years ago

Find the volume of a cylinder that has a diameter of 12 in. and a height of 15 in

daser333 [38]

Answer:

<h3> $\sf{ \boxed{ \bold{1697.14}}}$ </h3>

Step-by-step explanation:

Given,

diameter ( d ) = 12 in

height ( h ) = 15 in

finding the radius of a cylinder

Radius is just half of diameter.

Radius ( r ) = 12 / 2 = 6 in

finding the volume of a cylinder having radius of 6 in and height of 15 in

Volume of a cylinder =  $\sf{\pi \: {r}^{2} h}$ 

⇒ $\sf{ \frac{22}{7} \times {6}^{2} \times 15}$

⇒ $\sf{ \frac{22}{7} \times 36 \times 15}$

⇒ $\sf{1697.14} \: in$ 

Hope I helped!

Best regards!!

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3 years ago

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Help me answer this

kari74 [83]

7 to 11 because you divide both sides by 3

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3 years ago

Which expression is equivalent to 7a2b + 10a2b2 + 14a2b3?

Ugo [173]

The given expression can be simplified in many ways by grouping like terms. The simplest form is obtained by factoring out a²b which gives us the following expression.

a²b(7 + 10b +14b²)

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3 years ago

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15.37 - 7.50 - 5.45 - 5.51 + 10

Reptile [31]

Answer:

6.91

Step-by-step explanation:

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