To group an expression, means that the factors of the expression are to be separated in (), [] or {}.
An expression with a value of 80 is: [tex]2^2 \times ( [2 + 2] \times [3 + 2] )[/tex]
The number is given as:
[tex]80[/tex]
Factorize
[tex]80 = 2 \times 40[/tex]
Factorize 40
[tex]80 = 2 \times 2 \times 20[/tex]
Express [tex]2 \times 2[/tex] as an exponent
[tex]80 = 2^2 \times 20[/tex]
Express 20 as 4 x 5
[tex]80 = 2^2 \times ( 4 \times 5)[/tex]
Express 5 as 3 + 2
[tex]80 = 2^2 \times ( 4 \times [3 + 2] )[/tex]
Express 4 as 2 + 2
[tex]80 = 2^2 \times ( [2 + 2] \times [3 + 2] )[/tex]
Hence, the above expression has a numerical value of 80
Read more about numerical expressions at:
https://brainly.com/question/24787226
