Find an irrational number that is between 7.7 and 7.9. explain why it is irrational. Include the decimal approxinlmation of the
1 answer:
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Step-by-step explanation:
-2u = 2i + 10j
V = 4i - 6j
(-2u).V = (2x4) - (10x-6)
= 8 - (-60)
= 68
