JOHN DUNN

LIGHT TRAVES AT 186,300 MILES PER SECOND. IF IT TAKES 8.32 MINUTES FOR LIGHT TO TRAVEL TO EARTH FROM THE SUN, HOW FAR AWAY FROM EARTH IS THE SUN. WRITE YOUR ANSWER IN SCIENTIFIC NOTATION.

One particle(atom) of gold weight 197 atomic mass units. One atomic mass unit is approximately 1.6601 x 10^-24 grams. How many particles of gold are there in 197 grams of gold? Use scientific notation where and when appropriate.

5/(X+7) = 3/(X+3); X IS NOT EQUAL TO -7 OR -3

-7/5=91X; X NOT EQUAL TO 0

THE PRINCIPAL IS BORROWED AT SIMPLE INTREST RATE OF R FOR A PERIOD OF TIME t. Find the simple interest rate owned for the time use of the money. Assume 360 days in a year. P=$5000, R=8.5% t =9 months.

Here are two ways of investing $30,000 for 20 years. Lump sum deposit Rate Time $30, 000 5% 20 years After 20 years, how much more will you have from the lump sum investment than from the annuity?

A TREE CASTS A SHADOW 12 FEET LONG. AT THE SAME TIME A VERTICAL ROD 8 FEET HIGH CASTS A SHADOW THAT IS 6 FEET LONG. HOW TALL IS THE TREE

IF YOU ARE DEALT 5 CARDS FROM A SHUFFLED DECK OF 52 CARDS, FIND THE PROBABILITY THAT ALL 5 CARDS ARE HEARTS. FIND THE PROBABILITY THAT 4 CARDS ARE HEARTS.