What is 0.00000354 moles per liter in standard notation? What is 1.1x10 to the 5th in standard notation?

Please help this is for a math problem I cant solve.

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

If your annual gross income is $62,000 and you have one monthly car payment of $335 and a monthly student loan payment of $225, what is the maximum house payment you can afford. consider a standard 28% front-end ratio and a 36% back-end ratio. also, to complete your calculation, the annual property tax will be $3,600 and the annual homeowner's premium will be $360.

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days