The number 0.0000012 in scientific notation is 1.2 x 10⁶ (the 6 should be negative as the decimal must move to the right.
Your answer is 13.44 and rounded to the whole is still going to be 13
8 x $9 = $72.00
8 x $3 = $24.00
$72.00 + $24.00 = $96.00
savings changed by $96.00
i’m pretty sure the answer would be 1) linear :D