It should be 19 because originally, it would be 910, but then add 16 more 0's, and 16 + 3 = 19 (and the three is from here -------^)!
Check this out ->:https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=91*10%5E17
and https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#safe=strict&q=91000000000...
They equal.
Answer:
$10
Step-by-step explanation:
x is her weekly allowance.
She spent half her allowance and has ½x remaining.
She earned $7, and now has $12.
12 = ½x+7
x = 10
1.6 I think I’m sorry if it’s incorrect
Answer:
(6,1)
Step-by-step explanation:
you just have to substitute the numbers into the equation.
3(6) +9(1)=27
18 +9=27
27=27
Answer: x=5
Step-by-step explanation:
simplify
multiply 35 on both sides
x=5
