Question

Combining Like Terms- Thank you!!

Answer 1

-1(3e-9) is NOT equivalent to 4-10e+7e-13.

Explanation:

See the image attached

1. First, you must begin by combining the like terms.
2. Once you combine like terms, evaluate them.
3. Form the final expression.
4. Look through the answer choices:

• The first choice is the expression we just derived (-3e-9).
• -3(e+3) evaluates to (-3e-9) via PEMDAS.
• -1(3e+9) evaluates to (-3e-9) via PEMDAS.
• -1(3e-9) evaluates to (-3e+9) via PEMDAS.

Please let me know if this helped!!