Which numbers are written in scientific notation? Check all that apply. –10.8 × 104
2.7 × 10–3
6.1 × 105
9.582 × 106
21.5 × 10–11

Step-by-step explanation:

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529 and 531

step-by-step explanation:

fist on the left goes with the third on the right. second on the left goes with the fourth on the right. third on the left goes with the second on the right. the fourth on the left goes with first on the right