The value of the expression is -8.
The expression when y=−2 and z=−5 in 10y²/z will be gotten by putting the values of y and z into the expression that's given. This will be:
10y²/z = 10(-2)²/-5
= 10(4)/-5
= 40/-5
= -8
In conclusion, the value of the expression is -8.
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