What is the little number at the bottom of a number?

What is the little number at the bottom of a number?

subscript
So, a subscript is a small number, or other symbol, written to the bottom right of a variable to distinguish different instances of that variable. You will find that Greek letters are used in many calculations. For example, the Greek letter ‘pi’, written π, is used to represent the number 3.14159….

What does the bottom number mean in math?

Denominator
(The bottom number is the Denominator and shows how many equal parts the item is divided into.)

What does the 2 at the bottom of a number mean?

2 = Half Note. 8 = Eighth Note. (note: You probably will never have a time signature with any other number on the bottom.

What is the number underneath a number called?

A subscript or superscript is a character (such as a number or letter) that is set slightly below or above the normal line of type, respectively. It is usually smaller than the rest of the text. Subscripts appear at or below the baseline, while superscripts are above.

What does the little 3 mean in maths?

A cube number is a number multiplied by itself 3 times. This can also be called ‘a number cubed’. The symbol for cubed is ³.

What is the base number?

Definition. A number base is the number of digits or combination of digits that a system of counting uses to represent numbers. A base can be any whole number greater than 0. The most commonly used number system is the decimal system, commonly known as base 10.

What does an exponent on the bottom mean?

A negative exponent helps to show that a base is on the denominator side of the fraction line. In other words, the negative exponent rule tells us that a number with a negative exponent should be put to the denominator, and vice versa. For example, when you see x^-3, it actually stands for 1/x^3.

What does Y sub 1 mean?

Sum of square errors equal the sum of each y data point, symbolized by y-sub-I, minus the predicted value of each data point, symbolized by y-hat-sub-I, then squared. The Sum of Square Total = Sum of Square Means plus Sum of Square Errors.

What is a high bottom BP number?

A level of 140/90mmHg or higher is considered high blood pressure or hypertension. A bottom reading of 100 or higher means the heart is working harder than it should. This may be due to coronary artery disease or another underlying condition.

Is diastolic the top number?

The top number, or systolic, reflects how hard your heart is working to pump blood into your arteries. The bottom number, or diastolic, indicates the pressure as your heart relaxes between beats. Researchers concluded that both numbers were independent predictors of heart attacks and strokes.

What does BP lower number mean?

The bottom number refers to blood pressure between pushes, when blood vessels and the heart are relaxing and the heart is filling with blood—the return flow. A blood pressure of 120/80 or lower is considered “normal.”.

What is the bottom number of blood pressure called?

The top number refers to the amount of pressure in your arteries during contraction of your heart muscle. This is called systolic pressure. The bottom number refers to your blood pressure when your heart muscle is between beats. This is called diastolic pressure.

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