Which chemical element in Na3X is marked with the letter X?

Afraction can be converted to a decimal by dividing the denominator into the numerator. use a calculator. divide to convert the fractions from part a to decimals. then describe the pattern you see in the decimal.

Suppose you increase your walking speed from 7 m/s to 15 m/s in a period of 1 s. what is your acceleration?

Type the correct answer in each box. use numerals instead of words. the distance between earth and the moon is about 384,400 kilometers. the distance can be written in scientific notation as a × 10b kilometers, where a = and b = .