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Someone help please 4. 9 x 106 bacteria are measured to be in a dirt sample that weighs 1 gram. Use

scientific notation to express the number of bacteria that would be in a sample

weighing 25

grams.

Answer:

X10

bacteria

Sagot :

The number of bacteria in 25g sample is 1.225*10^8

Data;

  • 1g = 4.9 * 10^6 bacteria
  • 25g = ?

Number of Bacteria in 25g

To find the number of bacteria in 25g, we just need to multiply the number of bacteria in 1g by 25. This implies that the bacteria increase in a multitude of 25.

[tex]1g = 4.9*10^6\\25g = x[/tex]

Let's cross multiply both sides and solve for x

[tex]1g =4.9*10^6\\25g = x\\x = 25 * 4.9*10^6\\x = 122,500,000\\\\x = 1.225*10^8[/tex]

The number of bacteria in 25g sample is 1.225*10^8

Learn more on subject of formula here;

https://brainly.com/question/657646

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