A jeweler is making necklaces that require 50 beads. Altogether, the 50 beads weigh 1/4 of a gram.
a. In grams, what is the weight of each bead?

b. One gram = 100 centigrams. In centigrams, what is the
weight of each bead?

Please help.

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

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.

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?