Hello there I will really appreciate if you helped me with this question. The length of the prism is 6 cm. Sketch the prism. Include its dimensions.
Calculate the surface area of the prism.
How do I go about this question and what prism should I sketch a triangular or a rectangular?
Ps. ONCE I SKETCH WHAT SHOULD I DO.

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.