A store owner has 11 baskets of mangoes for sale at k8.26.How much will he receive in total when he sells them

If frequency goes up, what happens to wavelength? does it get shorter or longer?

The radioactive isotope of lead, pb-209, decays at a rate proportional to the amount present at time t and has a half-life of 3.3 hours. if 1 gram of this isotope is present initially, how long will it take for 80% of the lead to decay? (round your answer to two decimal places.)

5400 j of energy are given off when a 50 g of aluminum pan changes temperature. does the temperature of the pan increase or decrease and by how much?