How many milliliters are in 2.3 x 10-2 µL?

2.3 * 10^-5 mL

Explanation:

The symbol " µL " stands for microliters. With respect to liters, a microliter is 10^-6 of a liter. With respect to liters, a milliliter is 10^-3 of a liter. Thus, a milliliter is 10^3 ( 1000 ) times greater than a microliter.

Now we are asked to determine the number of milliliters given this amount of microliters. 2.3 * 10^-2 µL would have to be multiplied 10^-3 to be equal the amount of milliliters with respect to this amount of microliters,

Milliliters = 2.3 * 10^-2 * ( 10^-3 ),

Milliliters = 2.3 * 10^-5

Hope that helps!

the atomic mass is the bottom number on the element.

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some sources quote the lethal dose, for an average 170lbs opiate-naive individual is between 75 and 375 mg