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PLS HELP! I WILL GIVE BRAINLIEST!! AND THE REST OF MY POINTS! Last week the number of bacteria in a petri dish was 2.25×102. Thi
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PLS HELP! I WILL GIVE BRAINLIEST!! AND THE REST OF MY POINTS!
Last week the number of bacteria in a petri dish was 2.25×102. This week the number of bacteria in the petri dish is 2.75×105. How many times more bacteria are in the petri dish this week?
Round the decimal to the nearest tenth.
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Mathematics
3 years
2021-08-28T14:36:50+00:00
2021-08-28T14:36:50+00:00 2 Answers
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Answer:
1221.2 times more
Step-by-step explanation:
number of bacteria last week =
=
=
number of bacteria this week =
=
=
(2.75 x 10⁵ ) / (2.25 x 10² )
= (2.75 / 2.25) x 10⁵⁻²
= 1.2 x 10³ times .
(That’s 1,200 times as many.)
I hope this helps!