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3 years ago

What is 3,814 in scientific notation?

Mathematics

2 answers:

GenaCL600 [577]3 years ago

5 0

Answer:

3.814 x10³ that's the answer hope it helps

Alex_Xolod [135]3 years ago

5 0

Answer:

ok i dont really know if im

right Step-by-step explanation:

but i got 3.184 × 10^3

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ABC is an isosceles triangle: AC = 13cm. What is the length of AB?

sveticcg [70]

AB=AC

AC=13cm

$\\ \sf\longmapsto AB$

$\\ \sf\longmapsto AC$

$\\ \sf\longmapsto 13cm$

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3 years ago

Georgia wants to evenly divide 84 trading cards among 6 friends. How many cards will each friend get ?

iragen [17]

each friend will get 14 cards.

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3 years ago

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A scientist calculated the mean and standard deviation of a data set to be = 120 and 0-9. She then found that she was

Lapatulllka [165]

Answer:

The awnser on edge is C)147

Step-by-step explanation:

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3 years ago

Please help with this

slava [35]

Answer:

D) x= $\frac{-2+-2\sqrt{7} }{3}$

Step-by-step explanation:

The quadratic formula is : $\frac{-b+-\sqrt{b^2-4ac} }{2a}$

A in terms of this question=9

B in terms of the question is 12

C in terms of the question is -24.

This question is an example of a quadratic equation. To work this out you may first need a calculator. The first step is to substitute the values of a,b and c into the formula. So once substituted the formula of $\frac{-b+-\sqrt{b^2-4ac} }{2a}$ becomes $\frac{(-12)+-\sqrt{(12)^2-4*(9)*(-24)} }{2(9)}$ . Although when written in a calculator there will not be a plus and minus button and so you would have to do this separately.

However when substituting the values it would be best practice to put them in brackets.

1) Substitute the values into the equation for +.

$\frac{(-12)+\sqrt{(12)^2-4*(9)*(-24)} }{2(9)}=\frac{-2+2\sqrt{7} }{3} /1.097167541$

2) Substitute the values into the equation for -.

$\frac{(-12)-\sqrt{(12)^2-4*(9)*(-24)} }{2(9)}=\frac{-2+2\sqrt{7} }{3} /-2.430500874$

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3 years ago

Volume of Spheres

Oliga [24]

It’s simple. The volume of a sphere is V=4/3πr^3.. so you will convert the mm to m okay?? 10mm=1cm .. so do your conversion from here then when you get the radius then you will substitute it into the volume where r is the radius.. so for the first one l changed mm to cm so.. radius is 4cm then l substitute it into the formula so l got 270 after rounding it to the nearest tenth.. pi=22/7 bear in mind. So do the same for the other one

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3 years ago