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3 years ago

round 205,721 to the nearest hundred thousands , to the nearest ten thousands and to the nearest thousands

Mathematics

1 answer:

Dovator [93]3 years ago

7 0

To the nearest hundred thousandths: 200,000
To the nearest ten-thousandths: 210,000
To the nearest thousands: 206,000

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The first equation by 3 and the second by 2 is the answer

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3 years ago

How does 31÷5 look using Long division

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3 years ago

Add the opposite of 2.5 to the sum of 1.25 and (−1.75 ).

Bezzdna [24]

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▹ Answer

▹ Step-by-Step Explanation

1.25 + (-1.75) = -0.5

Opposite of 2.5 = -2.5

-2.5 + (-0.5) = -3

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3 years ago

Been a while since I’ve needed to not use a calculator. Why is -2X10^-18 (3/16) = 4.09X10^-19?

Anestetic [448]

Answer:

see the explanation

Step-by-step explanation:

we have

$2.18*10^{-18}(\frac{3}{16})$

we have that

$\frac{3}{16}=0.1875$

Convert to scientific notation

$0.1875=1.875*10^{-1}$

substitute

$2.18*10^{-18}(1.875*10^{-1}})$

Remember that

To multiply two numbers in scientific notation, multiply their coefficients and add their exponents

$2.18*10^{-18}1.875*10^{-1}}=(2.18*1.875)*10^{(-18-1)}=4.0875*10^{-19}$

Round the number 4.0875 two decimal places

$4.0875*10^{-19}=4.09*10^{-19}$

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3 years ago

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goldfiish [28.3K]

Answer:

x+ 3/2y= 15

Step-by-step explanation:

8x+12y=120

To put the equation into standard form, the leading coefficient has to be 1. So, divide the whole equation by 8.

x+ 3/2y= 15

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3 years ago