The shows the expression below simplified 0.0042 - (1.2 x 10-6) as D. 4.1988 x 10^-3.
<h3>How can the expression be simplified?</h3>
The concept that is been used is subtraction of the first expression from second expression.
The given expression is 0.0042 - (1.2 x 10-6) and this can be expressed in standard form as ( 4.2 *10^-3) - (1.2 x 10-6)
Then then the subtraction can be done as [ ( 4.2 *10^-3) ] - [ (1.2 x 10^-6) ] = 4.1988 x 10^-3
In conclusion, iif we go through the options., then we can see that the forth option is the best option that match the expression.
Therefore, option D is correct.
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, Then it would give us y = 4x - 10! Hope this helped!