A nuclear chemist measures the mass of an artificial element. The mass is 31 pg. What is the mass in grams? Write your answer in scientific notation.

A tree branch has 5 buds. each day 2 more buds sprout. how many buds are on the tree branch after 5 days. make a t chart

At the same time, a 68-foot water tower casts a 48-foot shadow, a nearby tree casts a 15-foot shadow. How tall is the tree? A. 13 feet B. 21 and 1/4 feet C. 20 feet D. 25 and 3/4 feet

Sarah's parents purchased a refrigerator for $320. If sales tax is 7% of the cost, how much tax did Sarah's parents pay for the refrigerator?

Four times the product of x and y decreased by 2xy

A tv costs £1300. What is the price after a 4.2% price increase.

18. There are 8 teachers going to the science museum. If each teacher pays $15 to get inside, how much did the teachers pay? $

What is the x-intercept of the line with the equation y = 1/2 x-3

The half life of ^134Ba is 28.7 hours. how much of a 16.2 sample of 134 Ba will be left after 60.00 hours

WXY is congruent to CBA, If

The school football team needs to raise at least $850 to buy new practice equipment. The team received a donation of $125 and also earns $4 per ticket sold.