Question

how do you write 0.00000000561 in scientific notation? $\boldsymbol{square} \times 10^{\boldsymbol{square}}$

Explanation:

Step1: Move decimal to right

Shift decimal 9 places right to get 5.61

Step2: Determine exponent

Since we moved right 9 times, exponent = -9

Answer:

$5.61$ × $10^{-9}$