How is the measurement 0.000065 cm written in scientific notation?

Mathematics

1 answer:

omeli [17]3 years ago

4 0

6.5*10^-5 is the answer if tou have to move the decimal to the right is is negative and then count how many spaces

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First answer gets brainliest

mash [69]

Answer:

$2.20b + 3.60m = 44.20\\2.50b + 3.40m = 44.70$

Step-by-step explanation:

So in this systems of equations, we know the prices of the items, so the coefficients will represent how many Mary is getting of that item. So you can represent amount of bread as the variable b and the amount of milk as the variable m. On the right will be the total amount spent, since multiplying the price by how much you buy should get you the price

So since at store A, she spends 44.20 and bread costs 2.20 and milk costs 3.60 you get

$2.20b + 3.60m = 44.20$

Since at store B, she spends 44.70 and bread costs 2.50 and milk costs 3.40 you get the equation:

$2.50b + 3.40m = 44.70$

3 0

2 years ago

Read 2 more answers

How much did jennie earn if she got $40 for babysitting plus a 15% tip

vazorg [7]

Answer:

$46

Step-by-step explanation:

100% of 40 is 40. 10 percent of 40 is 4. 5% of 40 is 2. 40+4+2=46.

7 0

3 years ago

Simplify the expression (10 + 3i)(10 - 3i).

WINSTONCH [101]

Answer:

109

Step-by-step explanation:

$\textbf{Assuming}~ i ~\textbf{as the imaginary unit, where}~ i = \sqrt{-1}~ \textbf{and}~ i^2 = -1\\\\\textbf{Given that,}\\\\~~~(10+3i)(10-3i)\\\\=10^2 -(3i)^2~~~~~~~~~~;\textbf{Difference of two squares} ~a^2 -b^2 = (a+b)(a-b)\\\\=100-9i^2\\\\=100-9(-1)~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~;{i^2 = -1}\\\\=100+9\\\\=109$