4.29*1015=4354.35
1.77*10^-4= 0.000177
first * second = 0.77071995 with your own sig figs
Answer:GCF of 45 and 63 is 9.
Step-by-step explanation:
factors of 45 are 1,3,5,9,15,45
factors of 63 are 1,3,7,9,21,63
so the greatest common factor or GCF of 45 and 63 is 9
Answer:

Step-by-step explanation:

To get a percentage, you need to first round the decimal to the hundreths place. Whenever you have a number greater than 5, you round up.
Therefore, you can round it to 0.78.
Now to get the percentage you multiply it by 100.

This shows your answer is
(c) 78%.
Answer: your answer is 536.2 hope it helps
Step-by-step explanation: