A particular element found in nature exists as two stable isotopes. 60.4% of the element has a mass of 68.9257amu, the rest of the element is found with a mass of 70.9249 amu. Calculate the average atomic mass of the element.

Fill in the blank j, l, I, j, h, h, g,_, f, d

A stove that costs $695 will be on sale next week for 28% percent off its regular price. What is the amount of savings?

A hemispherical bowl of internal diameter 36 cm contains liquid. This liquid is to be filled in cylindřical glasses of diameter 6cm and of height 6cm. Find the number of glasses that can be filled

Amanda has a job that pays $92,000 per year. How much will she pay in social security taxes? (soical security is 6.2% of earnings)

In a box of 15 tablets, 4 of the tablets are defective. Three tablets are selected at random. what is the probability that a store buys three tablets and receives: a) no defective tablets, b) one defective tablet, and c) at least one non-defective

Chef fills a 50mL container with 43.5 g of cooking oil. what is the density of the oil?

The number of sticks of gum varies directly as the number of packages. There are 36 sticks of gum in 2 packages. suppose you have 5 packages of gum. write and solve a direct variation equation to determine how many sticks you have

How many possible weights are there between 10 and 20 pounds? A. 10 B. 11 C. More than 11 D. Fewer than 10

The number of students at Marita's School decrease to 98% of last year's number. Currently there are 1170 students. How many students were there last year? Round to the nearest whole number.

Find the perimeter of a rectangle that is 7 cm long and 7 cm wide