Convert this number expressed in standard form to scientific notation. 28,500,000 1. Move the decimal to create the coefficient:
2 answers:
Answer: The value of x is 7.
Step-by-step explanation:-
Scientific notation is defined as the representation of expressing the numbers that are too big or too small and are represented in the decimal form with one digit before the decimal point times 10 raise to the power.
For example : 5000 is written as
As we are given that the value is 28,500,000
This number is written in scientific notation as :
Therefore, the value of x comes out to be 7.
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Answer: B.pi/2
ABCD is a square
=> Δ ABD is a isosceles right triangle at A
using pythago theorem, we have:
AB² + AD² = BD²
=> 2AD² = 4
⇔ AD² = 2
⇒ AD = √2
through O, draw EF parallel to AD and BC
=> EF is diameter
because EF//AD => EF = AD = √2 (because circle O is inscribed the square ABCD)
=> the area of the circle is
Step-by-step explanation: