Bacteria left in 1st hour=100*0.9¹=90
2st hour=100*0.9*0.9=100*0.9²
....
after 5 hours=100*0.9^5
Answer:
14 5/8
Step-by-step explanation:
I took the test
Answer:
144
Step-by-step explanation:
Step-by-step explanation:
1) Evaluate the exponent
×
×
2) Cancel terms that are in both the numerator and denominator
×
×
3) Combine multiplied terms into a single fraction
×

4) Combine exponents


Result ║