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The first 4 terms of a geometric expression are 1,3,9 and 27. find the smallest number of terms that will give a sum greater than 200000.? I need help with a statistical math problem. How do I solve this? The temperature was 40° below zero at 11 and I just got degrees the next hour what was the temperature at 12? What is the density of metal compared to non metal? I have a project in school and we have to design and build an LED board using a NOT, OR, AND, XNOR, 3-input NAND, and a 3-input XOR.?