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3 years ago

Select the correct answer ? What is the sum of 9.72 x 10^8 and 1.93 x 10^7?

Mathematics

1 answer:

Makovka662 [10]3 years ago

7 0

Answer:

Step-by-step explanation:

(9.72 × $10^{8}$ ) + (1.93 × $10^{7}$ )

Take out $10^{7}$ as a common factor

= $10^{7}$ (9.72 × 10 + 1.93)

= $10^{7}$ (97.2 + 1.93)

= $10^{7}$ × 99.13

= $10^{7}$ × 9.913 × $10^{1}$

= 9.913 × $10^{8}$ → B

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2 years ago

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Step-by-step explanation:

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2nd pic: $tan = \frac{adjacentx}{hypothenuse}$

(write equation) tan 40 (tan 40 = 0.84) = $\frac{32}{x}$

(new equation) 0.84 = $\frac{32}{x}$

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3rd pic: $cos = \frac{adjacent}{hypothenuse}$

(write equation) cos 55 (cos 55 = 0.57) = $\frac{16}{x}$

(new equation) 0.57 = $\frac{16}{x}$

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2 years ago

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