Answer:less than
Step-by-step explanation:
-15+3-7=-19
-9-1+16=6
A positive will always be bigger than a negative
Answer: First answer: hexagon
second answer: triangle
Step-by-step explanation: right on edge 2020
Answer:
- Initial amount of the material is 67 kg
- Hal-life is 83 hours
<u>The required equation is:</u>
- m(x) = 67 *
, where m- remaining amount of the radioactive material, x - number of hours
<u>After 5 hours the material remains:</u>
- m(5) = 67 *
= 64.260 (rounded)
#21 is 95 degrees
#22 is B