Answer:
1/25
Step-by-step explanation:
At the start there is a 4/20 (1/5) chance of drawing a blue marble. After putting the marble back in the bag, there is again a 1/5 chance of drawing a blue marble again. To calculate the overall probability, you must multiply the two numbers together: 1/5 x 1/5 = 1/25.
Answer: 6 2/3 pounds.
Step-by-step explanation:
40% of 60 is 24
To convert from percent to decimal, divide the percent without the percent symbol by 100.
so, 40% = 40/100 = 0.4
40% 60 is just 0.4*60 = 24
Step-by-step explanation:
Both are very correct,

because any number raised to the power of a negative
is given as

if this helped pls give brainliest