Compute A.(4.29×1015)⋅(1.94×10−4). B. 6.28×1013+7.30×1011. Express your answers to three digits.

Question

Question

Compute

A.(4.29×1015)⋅(1.94×10−4).

B. 6.28×1013+7.30×1011.

Express your answers to three digits.

science chemistry

Answer 1

Answer #1

= (4.29 x 1.94) (10¹⁵ x 10^-4)

= 8.323 x 10¹¹

= 10¹¹(6.28 x 10¹² + 7.3)

= 10¹¹ x 6.28 x 10¹²

= 6.280 x 10²³

Answer 2

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