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2 years ago

14

6 please thank you so much yesss

1 answer:

Lilit [14]2 years ago

5 0

The answer is C..................

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What is 13.7 billion years in scientific notation

Vikki [24]

Answer:

1.37 * 10^10 years.

Step-by-step explanation:

Billion = 9 zeroes

13.7 billion = 13.7 * 10^9 = 1.37 * 10^10.

4 0

2 years ago

The average mass of a certain type of microorganism is 2.4x10^-6 grams. What is the approximate total mass, in grams, of 5x10^3

Solnce55 [7]

I would go with answer b

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2 years ago

a square flower garden in Samantha's backyard has an area of 100 square feet how much fencing will she need to enclose the flowe

leonid [27]

Answer:

perimeter = 40 feet

Step-by-step explanation:

side^2 = 100

side = 10

perimeter = 10 x 4 =40

7 0

2 years ago

Among students who graduated, what is the proportion of boys

lakkis [162]

Answer:

i need an picture then I will help you out

Step-by-step explanation:

8 0

2 years ago

Consider this expression.

schepotkina [342]

Answer:

$9m^2 + 17m- 9$

Step-by-step explanation:

Given

$7m^2 + (2m - 1)(m + 9)$

Required:

Simplify

We start by opening the bracket

$7m^2 + (2m(m + 9) - 1(m + 9))$

$7m^2 + 2m^2 + 18m - m - 9$

Collect Like Terms

$9m^2 + 17m- 9$

Hence, the equivalent expression is $9m^2 + 17m- 9$

5 0

2 years ago