Find the sum of (2.8 × 10−9) and (9.1 × 10−10). Write the final answer in scientific notation. 11.9 × 10−19 1.19 × 10−18 3.71 × 10−10 3.71 × 10−9

asked May 11, 2023 163k views

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Find the sum of (2.8 × 10−9) and (9.1 × 10−10). Write the final answer in scientific notation.

11.9 × 10−19
1.19 × 10−18
3.71 × 10−10
3.71 × 10−9

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5 votes

Answer:

The answer is C: 3.71 × 10−9.

Explanation:

Avia answered May 11, 2023

by Avia

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6 votes

Answer:
3.71 * 10^(-9)

Explanation:

$(2.8 * 10^(-9))+(9.1 * 10^(-10))\\\\=10^(-10)(28+9.1)\\\\=10^(-10)(37.1)\\\\=3.71 * 10^(-9)$

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