Aaron thinks of two numbers less than 30. The Highest Common Factor (HCF) of his two numbers is 6.
The Lowest Common Multiple (LCM) of his two numbers is 72.
Write down the two numbers that Aaron is thinking of.

Rachel reads 1/5 of the pages of a book plus 12 pages on the first day. on the second day, she reads 1/4 of the remaining pages plus 15 pages. on the third day, she reads 1/3 of the remaining pages plus 18 pages. on the fourth day, she reads the remaining 70 pages. how many total pages are in the book?

Me n o w. i need t h i s. 10 points

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.