Answer:
Hey u can use Ma th way
Step-by-step explanation:
just look it up and you'll get your answer
Answer: 3 liters for 1.89.
Step-by-step explanation:
1.89/3 = 0.63 per liter
6.90/ 10 = 0.69 per liter
Answer:
2b+t/2=a
Step-by-step explanation:
3a + 4b = 5a-t
-3a -3a
4b = 2a - t
+t +t
4b + t = 2a
/2 /2
2b+t/2=a
4 3/8 is in simplest form.
Mass of an element = 310 grams
Percentage of the element that will decay in a minute = 5.7%
Quantity of the element that will decay in one minute :



Thus, 17.67 grams of the element will decay every minute.
Quantity of element that will decay after nine minutes :


Thus, 159.03 grams of the element will decay after 9 minutes.
Quantity of element that will remain after 9 minutes :


Thus, 150.97 grams of the element will remain after nine minutes.
We can round off 150.97 to 151.00.
Therefore, <u>151.00 grams</u> of the element will remain after 9 minutes.