Answer:
The answer is C
Step-by-step explanation:
C. Yi = 0 + 1X1 + 2X2 + 3X3 + 4X4 + ei
<u>the answer would be 3 x 3 x 7</u>
3^4 can be written as:
3 to the power of 4.
3 is the base number, and 4 is the exponent.
An exponent is basically a summarized version of saying the base number multiplies against itself however many times, the exponent clarifies that.
So... we'd write it out as:
3^4 = 3 * 3 * 3 * 3
In the end we get:
3 * 3 = 9, 9 * 3 = 27, 27 * 3 = 81
3^4 = 81 | There's your conclusion.
I hope this helps, have a great rest of your day! ^ ^
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Answer:
3xy
Step-by-step explanation:
These terms are all like terms so you can add:
-2xy + 2xy = <em>0xy</em>
Now add 3xy + 0xy: 3xy
The length is 9m. 45 divided by the width(5) equals the the length, which is 9.
