Add and subtract the values. Express your answer in scientific notation. (8.65 times 10 Superscript negative 3 Baseline) + (2.7 times 10 Superscript negative 4 Baseline) minus (9 times 10 Superscript negative 5)

2.35 times 10 Superscript negative 4
2.67 times 10 Superscript negative 4
8.83 times 10 Superscript negative 3
9.01 times 10 Superscript negative 3

How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit