The given expression is:
[tex] 10-3\sqrt{1.21} [/tex]
Now, we know that the square of 1.1 is 1.21, which means that 1.1 multiplied by itself gives 1.21.
Mathematically, that can be expressed as:
[tex] 1.1\times 1.1=1.21 [/tex]
or, [tex] (1.1)^2=1.21 [/tex]
thus, the square root of 1.21 is 1.1
or [tex] \sqrt{1.21}=1.1 [/tex]
Thus, applying this in the expression in the question given to us, we will get:
[tex] 10-3\sqrt{1.21}=10-3\times 1.1=10-3.3=6.7 [/tex]
Thus, 6.7 is the final answer for the given expression.
