Respuesta :

S-N-L it dear... Multiply Signs, Numbers, Letters
S - positive times positive equals positive
N - 6 times 7 = 42
L - [tex]a^3*a^4*b^7*b^1^0=a^7b^1^7[/tex]  ***when multiplying like base, add exponents
THEREFORE the answer is [tex]42a^7b^1^7[/tex]