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1.9x10^7 "^" this symbol means it's an exponent
the answer is 430,000,000 if the exponent is positive ;)
7 million in standard notation is 7.0 x 106
6.125 x 107 in standard notation is 61,250,000
To express 7 x 10^-4 in standard notation, we first multiply 7 by 10^-4. This equals 7 x 0.0001, which simplifies to 0.0007. Therefore, 7 x 10^-4 in standard notation is 0.0007.