Simplify the expression. Assume all variables are
positive
.
−
20
0
+
(
−
9
)
0
=
\displaystyle -{20}^{{0}}+{\left(-{9}\right)}^{{0}}=
−
20
0
+
(
−
9
)
0
=
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Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Enter DNE for Does Not Exist, oo for Infinity