Convert 3.9x10^-6 to an ordinary number

0.0000039

Step-by-step explanation:

3.9 x 10^-6 = 3.9 x 1/1000000 = 0.0000039.

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answer: the answer is c.

step-by-step explanation:

she’s dividing 1/3 of the flour into 2 jars.

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  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or