- 2 + 1,3 \times 10 ^ { 9 } = 2
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-2+1,3\times 1000000000=2
Calculate 10 to the power of 9 and get 1000000000.
-2+1300000000=2
Multiply 1,3 and 1000000000 to get 1300000000.
1299999998=2
Add -2 and 1300000000 to get 1299999998.
\text{false}
Compare 1299999998 and 2.
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