Explanation:
1. Degree is asking for highest exponent which is 4
2. leading coefficient is the number in front of highest degree term so 6
3. Replace x with 2 and solve
-3(2)^3 +6(2)^4 -8(2)^2 + 10(2) +16
= -24 +6(16) -32+20+16
= 76
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