3 years ago

Simplify the expression 2^3 x 2^2

Mathematics

2 answers:

SCORPION-xisa [38]3 years ago

8 0

Simply add the exponents to be 2^5.

SpyIntel [72]3 years ago

3 0

It would be 2^5 which equals 32

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Maru [420]

Answer:

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Step-by-step explanation:

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3 years ago

A steamer going downstream traveled the distance between two ports in 3 hours. The return trip took 3 hours 40 minutes. Find the

lapo4ka [179]

Answer:

1.8 mph

Step-by-step explanation:

Speed of the steamer in still water is 18 mph.

Speed of the current = x mph.

1. The steamer going downstream traveled the distance between two ports in 3 hours. Traveling downstream the current "helps" the steamer, then the speed is 18 + x mph.

The distance traveled downstream = 3(18 + x) miles.

2. The steamer going upstream traveled the distance between two ports in 3 hours 40 minutes that is $3\frac{2}{3}$ hours. Traveling upstream the current "interferes" the steamer, then the speed is 18 - x mph.