283 divided by 12.3 = 23.008 and rounded it will just be 23.
The answer to this is 39 and 27
Answer :
the probability of tossing three heads in a row

…………………………………………
the probability of tossing two heads followed by one tail

……………………………
the probability of two heads and one tail in any order

<span>add 13.3 + (–7)
= 13.3 - 7 = 6.3
</span>Subtract.
<span>–56 – (–27.07)
</span>= -56 + <span>27.07
= -28.93
</span>simplify
<span>14- (-8)+5 -(-10)
</span>= 14 + 8 + 5 + 10
= 37