Question

Round 3 to 2-5+4+21+1666666-2times 43

Answer 1

I am so sorry if this is wrong, but
2−5+4+21+1666666−(2)(43)
=−3+4+21+1666666−(2)(43)
=1+21+1666666−(2)(43)
=22+1666666−(2)(43)
=1666688−(2)(43)
=1666688−86
Your answer would be 1,666,602
Hope this helps!:)