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Komok [63]
3 years ago
8

Look at all the measurements in model 4. when a number in scientific notation is changed to expanded notation, are any of the ad

ded zeros significant
Mathematics
2 answers:
zheka24 [161]3 years ago
4 0
Yes, the added zeros are significant. Lets say you are converting 1.23 x 10 to the power of 4. The answer would be 12,300 in which case, if you took away the zeros, the number would be 123, which is an incorrect answer.

Hope this makes sense and helps!
Rom4ik [11]3 years ago
4 0

any number that is higher than zero is significant. zeros are significant if they are in between two other numbers and zeros at the end MUST be significant


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What is the volume of a rectangular prism that is 16 meters by 25 meters by 37 meters?
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2 years ago
Read 2 more answers
-3y -9x =21. -18x +4y =32
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The value of x  is -2 and the value of y is -1.

Step-by-step explanation:

Step 1; The given equations are taken as

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Step 2; We multiply equation 1 with 2 and equation 2 with 1 so we can cancel out the variable x in both equations. By doing this we get

-18x -6y =42, take this as equation 3

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If we subtract 3 with 2, we cancel out the x variable and can calculate the value of y.

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Step 3; Substituting this value of y in any of the previous equations we will get x's value. Here this value of y is substituted in equation 2.

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So we have x = -2 and y = -1.

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3 years ago
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