Answer:
21
Step-by-step explanation:
He will guess correctly 25% of the time.
He has 84 questions
25% of 84
.25 * 84
21
We should expect that he will get 21 questions correct
Answer:
i think its no soulution
Step-by-step explanation:
the numbers all cancel out
The one who walked 1.2 miles would have made $72 and the one who walked 0.8 miles would have made $48.
Answer:
.006453
Step-by-step explanation:
6.453 x 10^-3
Move the decimal 3 places to the left since the exponent is negative
006.453
.006453