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28 votes
28 votes
z2=46Use a calculator.Z≈(Round to the nearest tenth as needed. Use a comma to separate answers as needed.)

User Jiho Lee
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1 Answer

29 votes
29 votes

The given expression is


z^2=46

We can look for a number in which square power is 46 or close to 46.

Notice that, 6 times 6 is 36, and 7 times 7 is 49. This means The number is between 6 and 7.


z\approx6,-6

Now, we use a calculator to find the exact solution.


z=\sqrt[]{46}\approx\pm6.78

As you can see, the approximated solutions are 6.78 and -6.78.

User Colin Pitrat
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