The half-life of the radioactive substance is 67.95 hours.
Answer:
19. 1 do 4^5 which is 1024 then do 1024^0 which is 1
21. 0.000064 do 5^-2 which is 0.04 then do 0.04^3 which is 0.000064
23. 2.33 do 9^4 which is 6561 then do 6561^-2 which is 2.32305731 so you round it to 2.33
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Answer:
9
Step-by-step explanation:
Answer:
2 • (2x - 3) • (3x - 2)
Step-by-step explanation:
