2 years ago

Write the number below in scientific notation, incorporating what you know about significant digits. 67,890,000

1 answer:

7 0

The answer would be: 67.89 x 10^6

The rules of significant numbers used:

- any non-zero digit is significant
- zeroes that are in the right side of the non-zero whole number would not be significant

Thus, only the significant numbers left in the equation:

67.89 x 10^6

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Sarah uses 9.1 pints of blue paint and white paint to paint her bedroom walls. 4 5 of this amount is blue paint, and the rest is

bonufazy [111]

Answer:Amount of white paint used by Sarah =1.82 pints

Step-by-step explanation:

Amount of blue paint and white paint to paint her bedroom walls.=9.1 pints

Amount of blue paint used =4/5 x 9.1=7.28 pints

Amount of white paint used=Amount of blue paint and white paint to paint her bedroom walls -Amount of blue paint used

=9.1-7.28=1.82 pints

4 0

2 years ago

What is the value of<br> 3x² + 2y3<br> when x = -4 and y = -2