Answer :

parc123

Answer:

30^-3

Step-by-step explanation:

Formula: When there are different bases and same exponents, multiply the bases, keeping the exponent the same.

3^-3 x 10^-3 = 30^-3

or

3^-3 x 10^-3 = 1/27 x 1/1000 = 1/27000 = 30^-3

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