solve

Question

solve

anonymous · Answer

$$4\times[0.7\left\{ 1.6+3.8-(1.1\times 0.75 \right\}]$$

anonymous · Answer

the answer is 0.5 but im getting 21.1

mathmath333 · Answer

first solve the most inner bracket that is

$\large\tt \begin{align} \color{black}{4\times[0.7\left\{ 1.6+3.8-\color{red}{(1.1\times 0.75} \right\}]\hspace{.33em}\~\}\end{align}$

anonymous · Answer

i know the method

anonymous · Answer

4x{0.7+{1.6+3.8-(1.1x0.75)}]
4x{0.7+{1.6+3.8-0.825}]
4x[0.7+4.575]
4x5.275
21.1

anonymous · Answer

its my brothers question of 5th grade

mathmath333 · Answer

the one u posted before doesnt have $\bf \large +$ after $\bf0.7$

anonymous · Answer

oh sorry my mistake but second one is correct

mathmath333 · Answer

$\Large \times $ in second one means multiplication right ?

anonymous · Answer

yes

mathmath333 · Answer

wolfram does gives $21.1$ https://www.wolframalpha.com/input/?i=4*%280.7%2B%281.6%2B3.8-%281.1*0.75%29%29%29

mathmath333 · Answer

so either the question is wrong or is a typo either in book

skullpatrol · Answer

https://www.google.ca/search?q=4x%7B0.7%2B%7B1.6%2B3.8-(1.1x0.75)%7D%5D&rlz=1C1CHFX_enCA519CA519&oq=4x%7B0.7%2B%7B1.6%2B3.8-(1.1x0.75)%7D%5D&aqs=chrome..69i57&sourceid=chrome&es_sm=122&ie=UTF-8#q=4+*(0.7%2B(1.6%2B3.8-(1.1*0.75))

anonymous · Answer

ok thanks