There are 2 sig. figs because we don't count leading zeros, which are lonely zeros to the left of the decimal point. So Answer is c. 2
The solution would be like this for this specific problem:
12! = 12 * 11 * 10 * 9 * 8 * 7 * 6 * 5 * 4 * 3 * 2 * 1
= 479,001,600
<span>So
there are 479,001,600 <span>different group of students that can show up
for a seminar with an enrollment of 12.</span></span>
Answer: x=21
Step-by-step explanation: 100+x-4+3x=180
4x=84
x=21
<span>Factor 80t - 16t = 0
</span><span>
= 16t(5 - 1)
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