Write the Following Numbers and Results in Standard Notation, with Appropriate

Essay

Write the following numbers and results in standard notation, with appropriate significant figures.
a. 7.85 × 10^-3
b. 7.85 × 10⁴
c. 5.920 × 10³
d. 7.85 × 10¹² ÷ 10¹⁰
e. 7.00 × 10^-5
f. circumference of a circle, 2r, where r = 8.7 cm
g.