The scientific notation of 0.25 is 2.5 x 10⁻¹
Scientific notation is used to handle numbers that are very big or very small.
It has 3 parts, the coefficient, the base and the exponent.
There must be 1 digit before the decimal point in the coefficient.
10 is always the base
the exponent signifies the number of places the decimal has moved from its original location to the location before 1 digit. Positive exponent signifies that the decimal point is shifted to the right. Negative exponent signifies that the decimal point is shifted to the left.
In the above scientific notationl
2. 5 is the coefficient
10 is the base
-1 is the exponent. the decimal point shifted one place to the left.
Answer:
Question one is b or 5. Because if you divide 64 by 4, you get 16. When you divide 80 by 16, you get 5.
Question two is d and e.
Answer: 1480.5
Step-by-step explanation:
Answer:
x = 45
Step-by-step explanation:
Each corner of the square is a right angle measuring 90 degrees.
x + 45 = 90
x = 45