Question

question 1
1 point
convert $8.91 \times 10^{-4}$ into standard notation. standard notation refers to writing the number with all the zeroes present.
0.00891
8910
89100
0.000891

Explanation:

Step1: Understand negative exponent rule

A negative exponent $10^{-n}$ means dividing by $10^n$, or moving the decimal left $n$ places.

Step2: Move decimal 4 places left

Start with $8.91$, move decimal left 4 places: add 3 leading zeros before 8, then place decimal at start: $0.000891$

Answer:

0.000891