What is the exponent for 50,000,000

1 answer:

3 0

The exponent for 50,000,000 is 6 because if you multiplied 10 6 times which equals a million so million times 5 equals 50,000,000

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if the ratio of the volume of two cubes is 1 : 8 , then find the ratio of the total surface area of the two cubes

vivado [14]

Answer:

V = L^3 where v is volume and L the length of one side

A = 6 * L^2 total area of cube with side L

A = 6 * V^2/3 area of cube expressed in V

A2 / A1 = (V2 / V1)^2/3 6 cancels

A2 / A1 = 8^2/3 = 4 ratio of areas

3 0

3 years ago

its question #2 my son and I cannot figure out how to do this other than dividing. however, when u divide 59 into 422, are you s

anyanavicka [17]

Honestly I can see an argument for 7 shelves or for 8 shelves.

When you do the calculation; $\frac{422}{59}=7.15$ You get 7.15 shelves. Clearly you cannot have .15 of a shelf so the logician in me wants to say you need 8 shelves!

But if the assignment is aimed estimation skills, (Which is what I assume is being implied by the title of the assignment), then the easier calculation of $\frac{420}{60}=7$ is probably what the teacher was hoping for.

You might have been accidentally been calculating $\frac{59}{422} =.139$ . Remember division is NOT communitive! i.e. $1\div2\neq2\div1$ .

From the image;
The first step was to see that 59 can not go into 4..resulting in the zero above the 4, multiplying 0 by 59 and subtracting 0 from 4.

The second step begins by bringing down the 2, seeing that 59 can not go into 42..resulting in the zero above the 2, multiplying 0 by 59 and subtracting 0 from 42.

The third step begins by bringing down the 2, seeing that 59 can go into 422 7 times (I tested this on the right by a short multiplication problem)..resulting in the 7 above the 2, multiplying 7 by 59 and subtracting 413 from 42.

This process continues....