3 years ago

Help with these two please or one??

1 answer:

8 0

<span>Anna learns in her science class that the human eye blinks an average of 4,200,000 times a year. What is this number expressed in scientific notation?</span>

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Bennett is setting up a light display for a wedding with two 10-foot strands of lights. The lights will be attached to the top o

Anuta_ua [19.1K]

Answer:

7.1

Step-by-step explanation:

write pythagorean theorem $x^{2}$ + $x^{2}$ = $10^2$

2 $x^2$ = 100

divide 2 both side:

$x^{2}$ = 50

$\sqrt{x^2}$ = $\sqrt{50}$

$x$ = $\sqrt{50}$

$x$ = 7.07106781

round to nearest tenth:

$x$ = 7.1

8 0

2 years ago

8.7 x 10-4 =<br><br> A) 0.000087 B) 0.00087 C) 8,700 D) 87,000

Gre4nikov [31]

It is B, I promise h gb in h x

3 0

2 years ago

Read 2 more answers

Today's temperature is 3 degrees warmer than yesterday temperture t write an expression for today's temperature

user100 [1]

T+3

yesterday's temperature = t, and we know today's is 3 more, we add 3 to t

hope this helped, xx

4 0

3 years ago

If the probability that an event happens is 0.76, what will be the probability that the event will not happen?

BartSMP [9]

Answer:

24% or 0.24

Step-by-step explanation:

100% or 1 minus 76% or 0.76. That makes 24% or 0.24.

To answer the question you should prob just put in 0.24.

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2 years ago

DJ is helping set up 7 rows of chairs for a school assembly. There are eight chairs in the first row. Each row after that has tw

polet [3.4K]

Answer:

Step-by-step explanation:

yes it is 98

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3 years ago