Write using exponents. Work from left to right on the grid. x • x .
1 answer:
Using exponents x * x is written as
Exponents in mathematics is a term that refers to the powers in which a number is raised. Usually the number representing the exponents is usually written upwards in lower font to the left-hand side of the main number or value.
<h3>solving the problem</h3>x . x is same as x multiplied by x
therefore x . x = x * x
since the x is two the product is written as . where the two shows how many times x appeared.
Read more on exponents here: brainly.com/question/11975096
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Answer:
Step-by-step explanation:
<u>Exponential Growth </u>
The natural growth of some magnitudes can be modeled by the equation:
Where P is the actual amount of the magnitude, Po is its initial amount, r is the growth rate and t is the time.
The initial number of bacteria is Po=40 and it doubles (P=2Po) at t=20 min. With that point we can find the value of r:
Simplifying:
Solving for 1+r:
The exponential function that models the situation is: