Wednesday
May 22, 2013

# Posts by leah

Total # Posts: 299

maths
Chris wants to put a concrete path and a fence around his rectangular garden. The concrete path will be 1 meter wide and the fence will go around the edge of the path. The garden itself measures 5meter by 8 meters. A) calculate the perimeter of thr fence. B)Calculate the area ...

math
A music store offers a prize to a computer who can guess the closest, the number of jelly beans that fill a litre jar on the counter. Estimate the number of jelly beans in the jar if 1 jelly bean is approximately 2cm long (h) by 1.5cm in diameter(d)

Math
Space C has a base of 20 feet and a height of 24 feet and the two sides are both 26 feet (it is a parrallogram).... Space c will be tiled and used for an eating area. Each tile measures 1 square foot and cost \$2. How much will it cost to tile the floor?

Math
You want to estimate the mean amount spent by customers at a local gas station with 98% confidence and a margin of error of no more than \$2. Preliminary data suggests that the standard dev. is \$5.1 is a reasonable estimate for the standard dev. for all customers. How large a s...

Thank you so much-that's what I was doing wrong

Could someone remind me how to calculate this on the TI-84 Calculator: Which buttons do I hit for this: 3 * 10^8/5.4 * 10^14 I'm inputting it and coming up with 5.55 E 21 It should come out to be 5.55 *10^-7 but I'm not doing the input correct Please help

Physics nd the TI84 Calculator
Could someone remind me how to calculate this on the TI-84 Calculator: Which buttons do I hit for this: 3 * 10^8/5.4 * 10^14 I'm inputting it and coming up with 5.55 E 21 It should come out to be 5.55 *10^-7 but I'm not doing the input correct Please help

Physics help on the TI-84 calculator
Could someone remind me how to calculate this on the TI-84 Calculator: Which buttons do I hit for this: 3 * 10^8/5.4 * 10^14 I'm inputting it and coming up with 5.55 E 21 It should come out to be 5.55 *10^-7 but I'm not doing the input correct Please help

Physics
Gind the force between charges of +10.o uC and -50.0 uC located 20.0 cm apart

math
how many times must the number 5 be subtracted to find the quotient of 5/5?

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