Math help please?

Posted on 2015-09-30 07:20:00 in Chemistry by DONA

1. entering numbers that include a power of 10 by entering the diameter of a hydrogen atom in its ground state, dH=1.06×10^?10m, into the answer box.

Express the diameter of a ground-state hydrogen atom in meters using a power of 10. Do not enter the units; they are provided to the right of the answer box.

2.If you are asked to provide a set of two or more numeric answers, separate them with commas. For example, to provide the year that Sputnik (the first satellite to be sent into orbit around the Earth) was launched and the year humans first walked on the Moon, you would enter 1957,1969 in the answer box.
A rectangle has a length of 5.50 m and a width of 12.0 m. What are the perimeter and area of this rectangle?
Enter the perimeter and area numerically separated by a comma. The perimeter should be given in meters and the area in square meters. Do not enter the units; they are provided to the right of the answer box.

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