3 years ago

Estimate the fraction 534 by rounding to the nearest whole number or one-half.

Mathematics

1 answer:

frosja888 [35]3 years ago

7 0

Answer:

Step-by-step explanation:

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How many different sandwiches can be made from the following options?

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Answer:

Step-by-step explanation:

By using the fundamental counting principle, we can do 4 x 3 x 6 = 72 to find how many different sandwiches can be made.

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3 years ago

(8.08×10^-10)÷(4.0×10^-3) in scientific notation?

saw5 [17]

Answer:

$\large\boxed{2.02\times10^{-7}}$

Step-by-step explanation:

The scientific notation:

$a\cdot10^k\\\\1\leq a$

We have:

$(8.08\times10^{-10})\div(4.0\times10^{-3})\\\\=\dfrac{8.08\times10^{-10}}{4.0\times10^{-3}}\\\\=\dfrac{8.08}{4}\times\dfrac{10^{-10}}{10^{-3}}\qquad\text{use}\ \dfrac{a^n}{a^m}=a^{n-m}\\\\=2.02\times10^{-10-(-3)}\\\\=2.02\times10^{-7}$

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3 years ago

What is the slant height of a square pyramid that has a surface area of 189 square feet and a side length of 7 feet? A. 14 ft B.

cupoosta [38]

C.) 10..........................

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3 years ago

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Is the answer D or A

raketka [301]

Well an axis is like the whole line, so I would think its A, hope this helps.

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A square has a perimeter of 12 cm. do you know its area

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Answer:

9 cm^2

Step-by-step explanation:

If the perimeter of the square is 12 cm, then the length of ONE side is (1/4) of that, or 3 cm.

The area of this square is A = s^2, where s is the length of one side.

Here we have A = (3 cm)^2 = 9 cm^2.

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