(4.5+7.6)-8*2.5 I really need help with this problem
Mathematics · High School · Tue Nov 03 2020
Answered on
The answer for (4.5+7.6)-8*2.5 is -7.9.
Apply the order of operations to get the answer. Order of operation is a sequence of steps that helps to correctly evaluate mathematical problems.
The order of operation's sequence is parentheses, exponents, multiplication, division, addition and subtraction.
Based on PEMDAS, (4.5+7.6)-8*2.5 simplify the values inside the parenthesis so it becomes 4.5+7.6= 12.1.
> (4.5+7.6)-8*2.5
> 12.1-8*2.5
Multiply 8 by 2.5
> 12.1-8*2.5
> 12.1- 20
Subtract 12.1 by 20
> 12.1- 20
> 7.9.