Compare the two numbers using <, >, = 5 x 10^2 or 500

2 x 10^7 or 7 x 10^3

6 x 10^3 or 5 x 10^4

5 x 10^5 or 3 x 10^7

4 x 10^2 or 4000

6 x 10^3 or 6000

a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be?

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i don't understand. explain it clearly