-0.0000025 is expressed by scientific notation as______ .
-0.0000025 = - 2.5 × 10-6, so the answer is: - 2.5 × 10-6
How many meters is 0.0000025 meters represented by scientific counting method?
2.5 * 10 ∧ - 6 meters. Read as the negative sixth power of 2.5 times 10
0.00003 scientific counting method
0.00003=3x10^(-5)