Question

SCIENTIFIC NOTATION 1. Write the following numbers in Scientific Notation. The coefficient or "mantissa" should be greater than or equal to 1 and less than ten. Numbers should have units. 145 children a. b. 200,010.3 meters 92,134,209.7 miles C. d. 81 neutrons 0.175 inches е. f. 0.0034 cm 0.000 000 00034 kg Write the following numbers in Standard Notation. (miE mile, s 2. second, ms millisecond) 1.35 x 10' meters а. 9.2 x10° mi b. 1.22 x10 s C. 3.4522 x10 ms d. 3.89 x 107 um e. SIGNIFICANT DIGITS How many significant digits are there in each of the following 3. 7.003 2.0098 e. а. f. 23 b. 0.000456 19.002 45410 С. 25,000 h. d. 1200.

Answer 1

1. a. 1.45 * 10² children

b. 2.00 * 10⁵ m

c. 9.2134 * 10⁷ miles

d. 8.1 * 10¹ neutrons

e. 1.75 * 10^-1 inches

f. 3.4 * 10^-3 cm

g. 3.4 * 10^-10 kg