3 years ago

What’s bigger 10 to the -11 power or 10 to the -9 power ?

Mathematics

1 answer:

Stella [2.4K]3 years ago

5 0

Answer:

I believe its 10 to the -9th power.

Step-by-step explanation:

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Lin ran 2 3/4 miles in 2/5 of an hour, Noah ran 8 2/3 miles in 4/3 of an hour, how far would Lin run in 1 hour?

Marizza181 [45]

Answer:

$6\frac{7}{8}\ miles$

Step-by-step explanation:

Given that Lil's distance in 2/5 hrs is 2 3/4hrs

-Let x be the distance ran in 1 hr.

#We equate and cross multiply to solve for x as follows:

$\frac{2}{5}\ hrs=2\frac{3}{4}\\1\ hr=x\\\\\therefore x=2\frac{3}{4}/\frac{2}{5}\\\\=6\frac{7}{8}\ miles$

Hence, Lil can run 6 7/8 miles in 1 hr.

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2 years ago

What is the value of 9 - [42 - (3 + 2)].

Vlada [557]

9 - [42 - (3 + 2)]

Parentheses first:

9-[42-5]

Brackets next:

9- 37

Now subtract to get -28

8 0

3 years ago

Please help me with this question :) thanks.

olga55 [171]

the blank should say x

3 0

3 years ago

Eli made 2 peanut butter and jelly sandwiches and cut each one into fourths. How many 1/4 sandwich pieces did Eli have?

max2010maxim [7]

If Eli cut both pieces into 4th's, in all they would have 8 4th's.

Because 4 + 4 + 8 :)

6 0

3 years ago

0.000000452 in scientific notation

Marta_Voda [28]

Answer:

4.52 x 10^-7

Step-by-step explanation:

you have a very small number (numbers to right of decimal) so you're exponent will be negative.

5 0

2 years ago

Read 2 more answers