+14913 84000000/4 x 10^12
\(\large \frac{84 \cdot 10^{6}}{4} \cdot 10^{12}=21 \cdot 10^{18}\)
\(\large \frac{84 \cdot 10^6}{4 \cdot 10^{12}}=21 \cdot 10^{-6}=0.000\ 021\)
What is correct? Please use brackets.
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+36916 Many of us on the forum (I think including YOU) had this discussion a few months ago and decided this representation was rather ambiguous, but most agreed it is
[(8.4 x 10^7)/4] x 10^12 so your first solution is the one considered correct by most of us and most calculators too...... use brackets to be clear !!!
