In this activity, you will express the mass of planets and moons in standard notation and scientific notation. Use the Internet to find the mass in ograms of each celestial body listed.
press the mass of these planets and moons in both standard and scientific notation. If necessary, round the numbers so that the first factor
es only to the hundredths place,
Earth's moon
• Mercury
Venus
• Jupiter
• Saturn
• Uranus
• Neptune
• Phobos
• Ariel
• Titan

Statement: if two distinct planes intersect, then their intersection is a line. which geometry term does the statement represent? defined term postulate theorem undefined term

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.

The length of the line segment ac is 8x-9 what is the value of x