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3 years ago

What is 0.0000000405 in standard notation

2 answers:

8 0

0.0000000405 in scientific notation is 4.05 x 10^-8

You would move the decimal until after the 4, which will be 8 times. And since the zeros are in front so the number is really small, the exponent will be a negative.

nydimaria [60]3 years ago

3 0

2. 405000000. hope that helped

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3 years ago

While preparing his budget sheet richard Smith noticed that his annual expenses were 18800 while his monthly living expenses wer

PIT_PIT [208]

Answer:

Monthly Living Expense = 2375

Monthly Fixed Expense = 1975

Step-by-step explanation:

Let monthly living expense be "x"

and monthly fixed expense be "y"

"monthly living expenses were 400 more than his monthly fixed expenses":

x = 400 + y

"Richard total monthly expenses were 4350":

x + y = 4350

Putting Equation 1 in Equation 2:

(400 + y) + y = 4350

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3 years ago

If you could explain to me how you get the answer, that will be great!

Varvara68 [4.7K]

Answer:

156 inches^2

Step-by-step explanation:

The area of a triangle is 1/2 base x height

All of the triangles have a base of 6 inches and a height of 10 inches.

so 1/2 6 x 10= 30

There are 4 triangles with an area of 30 square inches

and then the square in the middle has a length of 6 in and a width of 6 in so it has an area of 36 in^2

so in total you would have 30+30+30+30+36, or 156

3 0

3 years ago