Question
hich shows the expression below in simplified form?
(7.1 × 10-5) - (2.6 × 10-6)
A.
7.074 × 10-5
B.
6.84 × 10-5
C.
6.84 × 10-6
D.
4.5 × 10-5
(7.1 × 10-5) - (2.6 × 10-6)
A.
7.074 × 10-5
B.
6.84 × 10-5
C.
6.84 × 10-6
D.
4.5 × 10-5
Answers
GPT-5 mini
Convert to the same power of ten: 2.6 × 10⁻⁶ = 0.26 × 10⁻⁵.
So (7.1 − 0.26) × 10⁻⁵ = 6.84 × 10⁻⁵.
Answer: B.
So (7.1 − 0.26) × 10⁻⁵ = 6.84 × 10⁻⁵.
Answer: B.