# Evaluate ((5.7*10^-5)*140)/((1.9*10^6)*(2.1*10^5))

(5.7⋅10-5)⋅140(1.9⋅106)⋅(2.1⋅105)
Multiply using scientific notation in the numerator and denominator.
Group coefficients together and exponents together to multiply numbers in scientific notation.
(5.7⋅140)(10-5)(1.9⋅106)⋅(2.1⋅105)
Multiply 5.7 by 140.
798⋅10-5(1.9⋅106)⋅(2.1⋅105)
Group coefficients together and exponents together to multiply numbers in scientific notation.
798⋅10-5(1.9⋅2.1)(106⋅105)
Multiply 1.9 by 2.1.
798⋅10-53.99(106⋅105)
Use the power rule aman=am+n to combine exponents.
798⋅10-53.99⋅106+5
798⋅10-53.99⋅1011
798⋅10-53.99⋅1011
Divide using scientific notation.
Group coefficients together and exponents together to divide numbers in scientific notation.
(7983.99)(10-51011)
Divide 798 by 3.99.
20010-51011
Subtract the exponent from the denominator from the exponent of the numerator for the same base
200⋅10-5+11⋅-1
Multiply 11 by -1.
200⋅10-5-11
Subtract 11 from -5.
200⋅10-16
200⋅10-16
Write 200⋅10-16 in proper scientific notation.
2⋅10-14
Evaluate ((5.7*10^-5)*140)/((1.9*10^6)*(2.1*10^5))

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