8. Joe sorted all the soil in a sample into 10 batches. Each batch has a mass of 6.54 x 108 grams. What is the total mass of all 10 batches? A 6.54 x 107 C 6.54 x 109
B 6.54 x 10-7 D 6.54 x 10-9

4. Hempstead Lake Park is 7 x 105 square feet and Willow Park is 2 x 104 square feet. How many times larger is Hempstead Lake Park than Willow Park?
A 0.003 C 3
B 3.5 D 35

please hel due in 5 hrs