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Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

Solve 2^x=32 and rewrite this equation in a logarithmic form

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.