1. what is 0.783 written in scientific notation?

2. solve the following and express your answer in scientific notation.

(8.23 x 109) + (9.1 x 109)

3. one blue whale weighed 4.2 x 105 pounds while another weighed 2.6 x 104. find the difference in weight, and express your answer

Question 3 of 30 paul buys fruit to make smoothies. he buys 3.78 pounds of apples, 2.12 pounds of peaches, and 4.45 pounds of oranges. paul rounds each weight to the nearest tenth of a pound. about how many pounds of fruit did paul buy? (a) 10.5 pounds (b) 10.2 pounds (c) 10.4 pounds (d) 10.0 pounds 30 points

B. two events are dependent if the occurrence of one event changes to occurrence of the second event. true or false

Simplify 1/3 12x - 6 a. -2x-1 b.-2x-8 c.-x+4 d.3x+10 e. 4x-2