cho hình chóp sacd có đấy là hình vuông canh a căn 2 sa vuông đáy sa =2a gọi h k lần lượt là hình chiếu của a lên sb sdmặt phẳng ahk cắt sc ở e tính thể tích sahek

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Katie wants to collect over 100 seashells. she already has 34 seashells in her collection. each day, she finds 12 more seashells on the beach. katie can use fractions of days to find seashells. write an inequality to determine the number of days, dd, it will take katie to collect over 100 seashells.