log3^27+lg25+lg4+7^log7^2+(-9.8)^0

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log3^27+lg25+lg4+7^log7^2+(-9.8)^0

log3^27+lg25+lg4+7^log7^2+(-9.8)^0
log3^27+lg25+lg4+7^log7^2+(-9.8)^0

log3^27+lg25+lg4+7^log7^2+(-9.8)^0
log3^27+lg25+lg4+7^log7^2+(-9.8)^0
=log3^3³+lg5²+lg2²+7^log7^2+1
=3+2(lg5+lg2)+2+1
=6+2lg(5*2)
=8