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tekilochka [14]
3 years ago
12

PLEASE! HELP HELP HELP!

Mathematics
1 answer:
denis-greek [22]3 years ago
5 0

Answer:

it's say download FPD SORRY I CAN'T SLOVE IT

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What is 34107.12cm to the nearest half centimeters?  please explain
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Answer:

17053.56

Step-by-step explanation:

Half a centimeter is 5 millimeters.

Brainliest??? PLS???

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2 years ago
PLEEASSEEEE Answer ASAP. Due in 5 Minutes. 25 points!!!!!!!!!
jonny [76]

Answer:

Here we will use the relationships:

a^n*a^m = a^{n + m}

(a^n)^m = a^{n*m}

\frac{a^n}{a^m} = a^{n - m}

And a number:

a^n

is between 0 and 1 if a is positive and larger than 1, and n is negative.

if a is positive and 0 < a < 1, then we need to have n positive such that:

0 < a^n < 1

A) 5^3*5^{-4} = 5^{3 + (-4)} = 5^{-1}

This is between zero and 1,

B) \frac{3^5}{3^{-6}} = 3^{5 - (-6)} = 3^{11}

This is greater than 1, because the exponent is positive.

C) (\frac{1}{4})^3*( \frac{1}{4})^2 = (\frac{1}{4})^{2 + 3} = (\frac{1}{4})^5

Because a is smaller than 1, and the exponent is positive, then the expression is between 0 and 1.

D) \frac{(-7)^5}{(-7)^7} = (-7)^{5 - 7} = -7^{-2}

The exponent is negative (and pair) then the expression is between 0 and 1.

Remember that when the exponent is pair, we always have that:

(-N)^m = (N)^m

So (-7)^-2 = 7^-2

4 0
3 years ago
If a TV costs $310 and you have to pay a 7% sales tax, how much tax will you have to pay?
Bumek [7]
You will have to pay $21.70
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Step-by-step explanation:

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ioda

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I think it is 12 4/5

Step-by-step explanation:

hope this helps if not let me now

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