Math 21 / 3 + 7 - 4 * 1 = Asked by AnneS2 12 years ago 8/5/2013 5:26 AM Last updated by anonymous 12 years ago 8/6/2013 12:04 PM
PEMDAS=(), exponents, *, /, +, subtraction =21 / 3 + 7 - 4 * 1 =21 / 3 + 7 - 4 =7 + 7 - 4 =14 - 4 =10
