To convert 2.21 x 10⁻⁶, place 6 zeros before 2.21 and move the decimal point to the left:
= 0.000021210
To convert 28,000 to scientific notation, write the non-zero digits, placing a decimal after the first non-zero digit: 2.8, then, multiply by 10 elevated to 4 (number of digits after 2):
28,000 = 2.8 x 10
nswer:
