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goldenfox [79]
3 years ago
5

7.6375 correct to 2 decimal place

Mathematics
1 answer:
Reil [10]3 years ago
4 0
I got 7.64 because you round the 3 to 4 since the 7, in the 3rd decimal place is higher than 5
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What is a true statement about negative exponents?
Nadya [2.5K]

Answer:

Raising something to a negative exponent is just taking the reciprocal of the amount.

Step-by-step explanation:

Let's assume that you wanted to know what x^{-2} is.

To find it, you would take the reciprocal of the x amount. So x^{-2} becomes \frac{1}{x^{2}}.

This works because of the nature of exponents. Exponents represent the number of times you are multiplying a value by itself. So a^{3} would be equal to a · a · a. To increase the exponent, you increase the number of times the value is multiplied by itself: To increase a^{3} to a^{5}, you would have to multiply a with a^{3} two more times (a · a · a · a · a). To decrease the exponent, you must divide the value by itself. So to decrease a^{5} to a^{2}, you would have to divide a^{5} by a 3 times.

If the exponent is 0, the value is equal to 1. But you can still decrease the exponent into negative numbers. You just divide 1 by a the desired amount of times: \frac{1}{a^{3}} means that you are dividing 1 by a 3 times.

Hope this helps.

3 0
3 years ago
I need help with multiplying and dividing powers
Tamiku [17]
You need to know these two formulas:

\huge a^b \times a^c = a^{b+c}\\\\\huge \frac{a^b}{a^c}=a^{b-c}

For example,

5^2 \times 5^3 = 5^{2+3} = 5^5

\frac{2^6}{2^4} = 2^{6-4} = 2^2
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HELP PLEASE ITS DUE TODAY!<br><br><br>I'll give brainliest.
SOVA2 [1]

Answer:

930=9 hundreds 3 tens

93times10

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4 0
3 years ago
What is the solution of this equqtion? 1w= -17​
devlian [24]

Answer:

-17

Step-by-step explanation:

1w= -17

(1)(-17)=

-17

5 0
3 years ago
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ZanzabumX [31]

Answer:

Step-by-step explanation:

240,000*6=14,400 dollars

the dr has to be taxes 14,400 dollars

4 0
3 years ago
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