Final answer:
The best estimate of 45 percent of 76 is 34.2.
Step-by-step explanation:
To find the best estimate of 45 percent of 76, you can multiply 45 percent by 76.
45% of 76 = 0.45 x 76 = 34.2
Therefore, the best estimate of 45 percent of 76 is 34.2.