Answer:
2
Step-by-step explanation:
This is a relatively easy half life calculation.
After one half-life period, half of the isotope remains.
After two half-life periods, one quarter of the isotope remains.
That being the case, we see this will take 2 half-life periods or 6 days.
Answer:
The area of a rectangle with a width of 5 inches, and a height of 2.5 inches, would have an area 12.5 inches!
Step-by-step explanation:
To find the area of a rectangle, simply multiply the width (W) by the length (L) to find the area (A) of the rectangle.
A = W x L
A = 5 inches x 2.5 inches
A = 12.5 inches
Hope this helps! :)
Answer:
28 + 30 + 42 = 100
Step-by-step explanation:
s=small number
s+ (s+2) + (s+2 +12) =100
3s +16 = 100
3s =84
s = 28
small 28
mediam 28+2 = 30
large 30+12 = 42