2 teachers = 30 girls (so 1 teacher = 15 girls)
3 teachers = 60 dudes (so 2 teachers = 40 dudes and 1= 20 boys)
380 boys + 19 teachers and 30 girls + 3 teachers
3-2/7 = 0.14285714
1-1/4 = 0/4
There are 120 6-digit numbers that can be formed
<h3>How to determine the combination of digits?</h3>
The digits are given as:
0,1,3,5,7 and 9
Since the number must be divisible by 10.
Then the number must end in 0
The other 5 digits can take any of the 0,1,3,5,7.
So, the number of combination is:
Count = 5! * 1
Expand
Count = 5 * 4 * 3 *2 * 1 * 1
Evaluate
Count = 120
Hence, there are 120 6-digit numbers that can be formed
Read more about combination at:
brainly.com/question/11732255
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<span>The answer is 9,990 years. Using the exponential decay question, we can figure out how long it will take Plutonium-240 to decay from 27 grams to 9 grams. Setting the equation up looks like this, 9 = 27 e^ (-0.00011 t). From this you get, 0.333333 = e ^(-0.00011 t). Next, you simplify by dividing both sides by the natural log, -1.0986 = -0.00011 t. Finally, you solve by dividing both sides by -0.00011, giving 9,987 years for t, rounded up to 9,990 years.</span>
Answer:
The picture
Step-by-step explanation:
