mrsbieber6729 mrsbieber6729
  • 11-11-2018
  • Mathematics
contestada

15 grams of a radioactive substance decayed 11% over the course of 3 weeks. How many grams of the substance were left after the 3 weeks?

Respuesta :

trevordoyleione
trevordoyleione trevordoyleione
  • 11-11-2018

15 grams lost 11%

get 11% of 15  = .11 times 15  = 1.65

now subtract

15 - 1.65 =  13.35 grams left

Answer Link

Otras preguntas

What are some bad things about land exploration??
Did the witches in Macbeth directly influence Lady Macbeth's actions?
Why were the nuremburg trials held in 1945 to 1946?
“Give me a morsel, friend. You’re hardly the worst Achaean here, it seems. The noblest one, in fact. You look like a king to me!” Identify the speaker of this p
PLS help 1. What three specific items do you see as strengths in this writing piece? 2. What is the overall writing piece about? (Be specific.) 3. What are two
Which of the following lengths of lines could be used to create a right triangle? 7, 8, 11 6, 8, 10 4, 9, 15.3 2, 7, 9
Which dictator did the abraham lincoln battalion fight? a. adolf hitler b. francisco franco c. benito mussolini d. josef stalin
How does the image of Cupid's eyes rolling like ocean tides in these lines affect the meaning of this poem? He rolls them with delighted motion, Joy-t
Which statement explains why Italian Americans faced discrimination during World War II?
Davida draws a shape with 5 sides. two sides are each 5 inches long. two other sides are each 4 inches long. the perimeter of the shape is 27 inches. what is th