5x-1+2= 5x+1
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Exponential notation, I believe is what you mean. 3x10(0)+7x1/10(1)+5x1/10(2)
16 + 20 + 14 = 50 = 12 + 14 +14 + 10
To find the mean (or average) you first add up the numbers you have. NOTHING 1.88
56 (= 28 x 2)Copy pasted question redirected to numbered paragraphs for easy counting:2plus 2plus 2plus 2plus 2plus 2plus 2plus 2plus 2plus 2plus 2plus 2plus 2plus 2plus 2plus 2plus 2plus 2plus 2plus 2plus 2plus 2plus 2plus 2plus 2plus 2plus 2plus 2Total 56Equivalent to 28 * 2 = 56
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