Although, here are no expressions ! it's an incomplete question. So, showing the answer with general simplification
.
<u>Step-by-step explanation:</u>
We have the expression as (5.4x10^10) (3.3x10^21) which can be further simplified as :
⇒(5.4x10^10) (3.3x10^21)
⇒
keep the power terms together and numbers to simply. Hence, we get as below
⇒ 
⇒
By solving the above, we get final simplified answer as
⇒
Although, here are no expressions ! it's an incomplete question . You may match
to the listed options wherever!
Answer:
65 coins
Step-by-step explanation:
Set this problem up with a porportion.

After that, cross multiple and divide.
25 times 260. Then divide by 100. That is then your answer.
For the first question the answer would be 1/3 divided by 3 for the second question it would be units of 1 divided into 9 equal parts