# SOLUTION: Help! I am not familiar with a TI 83. I need to give four ordered pairs for this, y = 7^x I had x values of -15, 0, 15, and 30. The y values that showed up I did not understand,

Algebra ->  Algebra  -> Logarithm Solvers, Trainers and Word Problems -> SOLUTION: Help! I am not familiar with a TI 83. I need to give four ordered pairs for this, y = 7^x I had x values of -15, 0, 15, and 30. The y values that showed up I did not understand,       Log On

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 Click here to see ALL problems on logarithm Question 111902: Help! I am not familiar with a TI 83. I need to give four ordered pairs for this, y = 7^x I had x values of -15, 0, 15, and 30. The y values that showed up I did not understand, it said 2E-13, 1, 4.7E12, and 2.3E25 Why does it have E?Answer by scott8148(6628)   (Show Source): You can put this solution on YOUR website!you're raising 7 to the power of x, so you might want to pick more reasonable x values the E is shorthand for scientific notation ___ En is the same as X 10^n 1200 = 1.2 X 10^3 = 1.2E3