What is 0.0000007 in standard form

Mathematics

2 answers:

hoa [83]3 years ago

8 0

Answer:

Step-by-step explanation:

Scientific form of 0.0000007 = 7 × $10^{-7}$

Volgvan3 years ago

3 0

Answer:

you should move the decimal point 7 times towards right so it is = 7.0 x 10^(-7)

Step-by-step explanation:

btw mark brainliest

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Jane calculated the circumference of a circle to be 36π. what is the area if the circle

marshall27 [118]

Answer:

103.13

Step-by-step explanation:

A=πr2

C=2πr

A=C2

4π=362

4·π≈103.1324

4 0

3 years ago

Bill and Mary Ann went to the Viola bakery. Bill bought 5 pies and 7 donuts for $12.65. Mary Ann bought 6 of each for $12.30.

sweet [91]

Answer:

Pies=$0.85

Donuts= $1.20

Step-by-step explanation:

In the equation let p stand for the number of pies and d stand for the number of donuts.

To solve this set up 2 equations, one representing bill and the other representing Mary Ann.

Bill's equation is 5p+7d=$12.65.
Mary Ann's equation is 6p+6d=$12.30

Then solve using a system of equations. Systems of equations can be solved using elimination or substitution. I will use substitution. Solve bill's equation for p. This gives you $p=\frac{12.65-7d}{5}$ . Then, you can substitute that into Mary Ann's equation. This looks like $6\cdot \frac{12.65-7d}{5}+6d=12.3$ . Solve for d. Once you solve d=1.20. Finally, substitute 1.20 back into either Bill's or Mary Ann's for d and solve for p. No matter which equation you use p=0.85.