Online Sucess in MATH

*RANGE* is the difference(minus) between the highest and lowest number in a data, for instance

2 1 3 5 1 3 1

The highest number is 5

The lowest number is 1

📝 difference means ➖ /Subtract

Range =5 ➖ 1

Range =4

*MODE* is the number that appears most frequently

2 1 3 5 1 3 1

From the data above the number that appear most is 1. Hence the mode=1

*MEDIA* (simply means the middle)... The following steps are needed if you want to find your median
1. Arrange the number in ascending or descending order
2. The median is the middle number
E.g....

5, 3, 1, 4, 2

📝 arrange the number

In ascending - 1 2 3 4 5

The middle is 3/ median=3

In descending - 5 4 3 2 1

The middle is 3/median =3

*MEAN* is the sum of the items divide by the number of that group. Eg.......
Find the mean

1,2,3,4,5
📝... Sum of items /🔢

1+2+3+4+5 =15

📝... Divide by the number of items (5)

15 ➗ 5= 3

Mean is 3

Some important thing to know when multiplying surf is that:

* 3 x √3 = 3√3 and √3 x 3 = 3√3

* √3 x √3 = 3
I.e √3x3 = √9
√9=3

*SURD* the little secret is to learn to to break square root... For instance
(√- let this mean square root)

√32
📝 2 ✖ 16 = 32... So, in the square root replace 32 with 2x16

√2x16

📝 the square root is covering both 2 and 16. Now you have to separate both

√2 x √16

📝 we went through this process because you can't find the square root of 32 with the calculator . But the case is different now we have 2 and 16 and we can find the square root of 16.

√2 x 4 (√16=4)

Hence, √2 x 4 = 4√2 ans...

QUADRILATERAL (PLANE SHAPE) INCLUDE:
* Parallelogram
* Rectangle
* Square
* Rhombus
* kite
* Trapezium

This is as a result of the fact that all shape has , and

Do you know? The square of 4 is 16 and the square root of 4 is 2.

Zero is the only number that can't be
represented in Roman numerals.

111,111,111 × 111,111,111 =
12,345,678,987,654,321.
..

It also works for smaller numbers: 111 × 111
= 12321.

. A French word for pie chart is
"camembert".

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