alexeckman13 alexeckman13
  • 07-09-2017
  • Mathematics
contestada

simplify: -3^2+8÷2×4-|-9|

Respuesta :

kphung76127
kphung76127 kphung76127
  • 07-09-2017
Follow the order of operations. Evaluate absolute value first.
-3^2+8/2*4-9

Then evaluate exponents
9+8/2*4-9

Then evaluate multiplication and division from left to right
9+4*4-9
9+16-9

Then evaluate addition and subtraction from left to right
25-9
16

Final answer: 16
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