11. Use matrices to solve the system of equations below. Be sure to show [A] and [B].
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The idea being, we first, move the repeating part to the left of the decimal point, by simply multiplying it by a power of 10, in this case, we need to move 318, so we need then 1000, 3 decimals, 3 zeros.
and we'll make the expression a variable, so let's do so first,
and we'll make the expression a variable, so let's do so first,