Question

$(6 + 2 {}^{10} \div 2 {}^{8} ) \div 10 {}^{5} - 9 \times 10$
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Answer 1

(6+2¹⁰:2⁸):10⁵-9×10=(6+4):10⁵-90=10:10⁵-90=10^-4-90=1/10⁴-90=1/10000-90=-899999/10000