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Furkat [3]
3 years ago
13

YOU can answer with A. B. C. or D.​

Mathematics
2 answers:
klemol [59]3 years ago
3 0

Answer: 0.0066248

Step-by-step explanation:

7.28⋅10−2)⋅(9.1⋅10−2)

7.28⋅9.1⋅10−4

66.248⋅10-4

0.0066248

is this wht the question say? If so I hope I help

katovenus [111]3 years ago
3 0

Answer:

A) 6.6248 x 10^-3

Step-by-step explanation:

You first do the exponents of the 10s

(7.28 x 10^-2) = (7.28 x 0.01) , (9.1 x 10^-3) = (9.1 x 0.01)

Then multiply the parentheses

(7.28 x 0.01) = 0.0728 , (9.1 x 0.01) = 0.091

Then multiply both products together

0.0728 x 0.091

= 0.0066248

In order to simplify this into an equation you can count the amount of decimal placements you would need to move make a whole number, then the amount of placements is your exponent, in this case it is 3. Then since they're all 0s you use the base of 10 and since the value is shrinking you sue a negative exponent

0.006248-----> 6.6248 x 106-3

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