5x10^5
0.000023 + 0.0000078= 0.0000308
3.8x10^-6
i think
sorry if wrong but i dont know the second one that well
Answer:
-89
Step-by-step explanation:
-89
-89= 10(-7) - 19 -----------> -70 - 19
42 pulgadas
Porque 48 que mide menos las 6 que es mas alto el 42
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