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3 years ago

What is 9.81 million in scientific notation ?

Mathematics

2 answers:

zhannawk [14.2K]3 years ago

6 0

Answer:

9.81*10 (you have to add that tiny six next to the 0)

Step-by-step explanation:

m_a_m_a [10]3 years ago

3 0

Answer:

9.81 x 10^6

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One number is 2 more than 2 times another their product is 40 find the numbers

iris [78.8K]

Answer:

10 and 4; and -8 and -5.

4 0

2 years ago

(-3)(-5) answers are below:<br> -15<br> -8<br> +15

postnew [5]

$\text {Hello! Let's Solve this Problem!}$

$\text {To Solve this problem we must know that Multiplying a Negative to a Negative}$ $\text {will equal a positive.}$

$\text {\underline {Multiply}}$

$\text {-3*-5=}$

$\text {Your Answer Would Be:}$

$\fbox {15}$

$\text {Best of Luck!}$

$\text {Also just remember when it comes to problems like these, think if it as 2 positive}$ $\text {numbers. So really it's just 3*5}$

6 0

3 years ago

Name the congruent sides.

IRINA_888 [86]

The correct anwser is the last for sure

8 0

3 years ago

Andrew has 8 cassettes. Mary has x cassettes and Jim has twice as many as Andrew. Together they have four times as Mary has. For

kupik [55]

Answer:

mary=x

andrew=8

jim=2*8=16

together=4*mary

total=8+16=24

24/4=x

x=6

Step-by-step explanation:

4 0

1 year ago

A town has a fireworks display, where fireworks are set off from a bridge over a lake. The function h (t) = -16t2 + 150t + 10.5

Elodia [21]

Answer:

h(t) = 4.68 seconds

Step-by-step explanation:

The function that represents the height of each firework in feet is :

$h (t) = -16t^2 + 150t + 10.5$ .....(1)

We need to find the time the fireworks take to reach their maximum height. For maximum height,

dh/dt = 0

So,

$\dfrac{d}{dt}(-16t^2 + 150t + 10.5 )=0\\\\-32t+150=0\\\\t=\dfrac{150}{32}\\\\t=4.68\ s$

Put t = 4.68 in equation (1).

$h (t) = -16(4.68)^2 + 150(4.68)+ 10.5\\\\h(t)=362.06\ text{feet}$

So, the fireworks will take 4.68 seconds to their maximum height.

7 0

3 years ago