Pls help. This is due today!

What is 1/3x5 on anuber line what does it look like on a number line

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?

Pls math have no ideamultiply and simppify. 2x^2y^3z^2 • 4xy^4x^2