Question

Evaluate the expression by first writing the number in scientific notation: 7,300 ÷ 7,900,000,000.
a) 9.2 x 10⁻⁷
b) 9.2 x 10⁻⁶
c) 9.2 x 10⁻⁸
d) 9.2 x 10⁻⁵