question\nwhats the difference between $1.2 \\times 10^{-3}$ and $2.9 \\times 10^{-4}$? express your answer…

question\nwhats the difference between $1.2 \\times 10^{-3}$ and $2.9 \\times 10^{-4}$? express your answer using either standard notation or scientific notation.\nshow examples\nanswer attempt 1 out of 2\nscientific notation\nanswer: $\\square \\times 10^{\\square}$\nsubmit answer

question\nwhats the difference between $1.2 \\times 10^{-3}$ and $2.9 \\times 10^{-4}$? express your answer using either standard notation or scientific notation.\nshow examples\nanswer attempt 1 out of 2\nscientific notation\nanswer: $\\square \\times 10^{\\square}$\nsubmit answer

Answer

Explanation:

Step1: Rewrite to same exponent

$1.2 \times 10^{-3} = 12 \times 10^{-4}$

Step2: Subtract the coefficients

$12 \times 10^{-4} - 2.9 \times 10^{-4} = (12 - 2.9) \times 10^{-4}$

Step3: Simplify and adjust notation

$9.1 \times 10^{-4}$

Answer:

$9.1 \times 10^{-4}$