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Mathematics 7 Online
daboyjaylen:

What is the value of the expression shown below? 7 + (2 + 6) 2 ÷ 4 ⋅ 1 over 2 whole to the power of 4

XioGonz:

Use PEMDAS Parenthesis () Exponent x^2 Multiplication * Division / Addition + Subtraction -

daboyjaylen:

idk how

b3lla2025:

so 2+6 first

XioGonz:

\[7 + (2 + 6) 2 ÷ 4 -\frac{ 1 }{ 2 }^4\] NOTE: 1/2 is also equal to 0.5 so \[7 + (2 + 6)2 ÷ 4 *0.5^4\] Now you Solve for Parentheses \[7 + 8 · 2 ÷ 4*0.5^4\]Then Exponents\[7 + 8 · 2 ÷ 4 · 0.0625\]Then Multiplication\[7 + 16 ÷ 0.25\]Then Division(remember we are going from left to right\[7 + 64\]Now you Add and get \[71\]

XioGonz:

You get it now?

daboyjaylen:

thanks

XioGonz:

Np

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