Digital SAT Math Practice Question #2321
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
Desmos Hack: Graph the left and right sides of any equation to instantly view intersection points and filter out extraneous solutions.
$256 = 500(0.8)^t \implies (0.8)^t = 256/500 = 0.512$. Since $0.8^3 = 0.512$, $t = 3$....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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