How many times larger is 9 x 10^-4 than 3 x 10^-10? a) 3 x 105 b) 3 x 106 c) 6 x 105 d) 6 x 106

9 x 10^-4: Since the exponent of the scientific notation is negative −4, move the decimal point 4 places to the left. 0.0009

3 x 10^-10: Since the exponent of the scientific notation is negative −10, move the decimal point 10 places to the left. 0.0000000003

Subtract: C) 6 x 105

a. the are of the rectangle is 18.25

b. 18.25 times two is 36.50

rae me : d