!±8± HP HP48GX RPN Expandable Graphic Calculator

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Post Date : Jan 12, 2012 23:51:26 | N/A

HP HP48GX RPN Expandable Graphic Calculator

Item Name: HP 48GX (128KB) graphing calculator - used. Cosmetic Condition: Good Perfect Working ConditionHP 48GX Expandable RPN Graphing Calculator with two expansion card slots This item has been discontinued by the manufacturer. We have a limited number of used calculators available at the price listed on this page; once they are gone we'll likely stop carrying this model. These used units have been verified by us to be in good condition and in working order. Includes cable and batteries. Does not include: Manuals or manufacturer warranty. Returns will not be accepted for this item, but we will repair or replace defective units for an extended period of 60 days.

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Sunday, January 1, 2012

Converting to Scientific Notation - YourTeacher.com - Math Help

!±8± Converting to Scientific Notation - YourTeacher.com - Math Help

For a complete lesson on converting to scientific notation, go to www.yourteacher.com - 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson, students learn to convert a number from standard notation to scientific notation by first writing a decimal point in the number so that there is only one digit to the left of the decimal point. For example, to write 642000 in scientific notation, first write the number so that there is only one digit to the left of the decimal point, which in this case is 6.42000. Next, count the number of places that the decimal point must be moved to get back to the original number, which in this case is 5 places. This number will be the exponent on the power of 10. So 642000 can be written in scientific notation as 6.42 x 10^5. Note that the exponent is positive, because the original number is a whole number. If the original number were a decimal, the exponent would be negative. For example, 0.059 written in standard form is 5.9 x 10^(-2).