Question

el diametro de la tierra en el ecuador es de 7926381 ml. redondee este numero a tres cifras significativas y expresel en notcion exponencial estandar.

Answer 1

7.93 x 10⁶mi

Explanation:

Significant figures are numbers that shows how accurate and precise scientific measurements are reported.

Here are some rules to identifying them;

• All non-zero digits are significant
• zeros between digits are significant
• leading zero before a decimal are not significant
• trailing zero after a decimal are significant
• trailing zero before a decimal point are significant.

The number 7926381  has 7 significant numbers.

To write in the scientific notation, we simply express as N x 10ᵃ

   N is the number of significant number

   a is the exponent

N here is 7.93

a here is 6

            7.93 x 10⁶mi

learn more:

Significant figures brainly.com/question/2746374

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