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Simplify each expression [18-(-1-7)^2]+16÷2^4

Sagot :

Answer: -15/8

Step-by-step explanation:

Using PEMDAS:

[18-(-8)^2] + 16 / 2^4

(18-64)+16 / 16

-46+16 / 16

-30/16

(Simplified) -15/8

Answer: -45.

Step-by-step explanation:

[tex]\displaystyle\\ 18-(-1-7)^2+\frac{16}{2^4} =\\\\18-(-8)^2 +\frac{16}{2*2*2*2}=\\\\ 18-(-8)*(-8)+\frac{16}{16} =\\\\18-64+1=\\\\-45.[/tex]