priscella08co priscella08co

09-02-2021
Mathematics

contestada

What are the two square roots for the number 81? *
(1) 27 and 3
(2) 9 and -9
(3) 40.5 and 2
(4) None of these

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vgrim99 vgrim99

09-02-2021

Answer:2

Step-by-step explanation:9 and -9 squared both are 81 because double negative makes a positive

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