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Roman55 [17]
4 years ago
5

100 points if you show how you got the answer!

Mathematics
2 answers:
ludmilkaskok [199]4 years ago
8 0

First, simplify each one.

9.98 x 10^6 = 9980000

7.3 x 10^7 = 73000000

Next, subtract the freight from the aircraft

73000000 - 9980000 = 63020000

Round the decimal point to the first significant digit, and place the amount of place values the decimal point moved to the left as a power sign, over 10.

63020000 = 6.302 x 10^7

6.302 x 10^7 is your answer

hope this helps

suter [353]4 years ago
8 0

Solution:

Freight Train:

= 9.98 x 10^6

= 9.98 x (10 x 10 x 10 x 10 x 10 x 10)

= 9.98 x (1,000,000)

= 9,980,000 kilograms

Aircraft Carrier:

= 7.3 x 10^7

= 7.3 x (10 x 10 x 10 x 10 x 10 x 10 x 10)

= 7.3 x (10,000,000)

= 73,000,000 Kilograms

The aircraft carrier is 72,020,000 kilograms more than the freight train!

0.0000007202 = 7.202 x 10^-7

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