Answer:
Step-by-step explanation:
In order to convert 0.0004578, which is in decimal, to scientific notation, all we need to do in this case is to move our decimal point to the right till we arrive at the first number that is not a zero, and then eliminate all the zero.
In this case, we will have to move the decimal point 4 spaces to our right, which would mean our exponent would be negative. The number of decimal spaces we moved to our right would be the value of our exponent, which is -4 in this case.
Thus, we have:

<span><span> {x,y} = {-7/4,-2}</span>
Explanation:
</span>System of Linear Equations entered :
[1] 8x+y=-16
[2] -3+y=-5
Equations Simplified or Rearranged :<span><span>
[1] 8x + y = -16
</span><span>
[2] y = -2
Regards
Sonny
</span></span><span>
</span>
This system of equations is consistent and independent, because there is only one solution. the answer is C
Fortnite 67Step-by-step explanation: