Answer:
She has lived 
.
Step-by-step explanation:
Given : Sara has lived 18.0 years.
To find : How many seconds has she lived?
Solution :
Using conversions,
1 year = 365.24 days
1 day = 24 hours
1 hour = 60 minutes
1 minute = 60 seconds
Converting 18 years into seconds,
In scientific notation,
Therefore, she has lived .
Answer:
-2
Step-by-step explanation:
3.3÷(0.8−3)−0.5
First think of PEMDAS
So first do parenthese
(0.8-3)=-2.2
3.3÷-2.2-0.5
Now do division
3.3/-2.2=-1.5
and now subtraction
-1.5-0.5=-2
Answer:
<u>175.84</u>
Step-by-step explanation:
50.24+50.24=100.48
100.48+75.36=175.84
<span>the question does not present the picture, but this
does not interfere with the resolution</span>
we know that
When a rectangle with a width of 2.5 feet and a length of 8 feet rotates it makes a cylinder with a radius r = 2.5 ft and a height h = 8 ft
volume of a cylinder=pi*r²*h-----> pi*2.5²*8----> 157 ft³
the answer is157 ft³
