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Anna35 [415]
2 years ago
12

Which of the following numbers is written in scientific notation?

Mathematics
1 answer:
nata0808 [166]2 years ago
8 0

Answer:

i think is b

Step-by-step explanation:

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jake spends 2 hours on each homework assignment and he had 3 assignments each day.orlando spend 2 hiurs on each homework assignm
Andrej [43]
Ok so u have to multiply for this one

Work *Jake*:

So he spends 2 hours on each assignment. He has 3 assignments so u have to do :
2*3=6
 
He spend 6 hours a day doing home work so now u have to multiply that by 30:
6*30=180

Work *Orlando*:

So he spends 2 hours on each homework. He has 2 sheets each do so u have to multiply 2 and 2: 
2*2=4

He spends 4 hours a day doing homwork so u  have to multiply it by 30: 
4*30=120


Answer:
 

So Jake spends 130 hours
Orlando spends 120 hours 

Add both together:
120+130=250

They spend 250 hours together on work in 30 days/
4 0
3 years ago
Read 2 more answers
If Maya orders a $1.89 drink, 3 cookies at $.99 each, and 2 slices of pizza at $2.50 each. How much did Maya pay for her order?
sweet [91]

Answer:

$9.86

Step-by-step explanation:

Frist you read the problem and you see that she pays $1.89 for one drink

so you write down $1.89

then 3 cookies for $0.99 so you multiply $0.99 by 3 and you get $2.97

so you write down $2.97

next 2 slices of pizza for $2.50 so you multiply 2 by $2.50 and you get $5.00

so you write that down

lastly you and the answers you wrote down and you get $9.86

Maya payed $9.86 for her order.

5 0
3 years ago
Harharhaehr4ut5ihkfjharharhaehr4ut5ihkfjharharhaehr4ut5ihkfjharharhaehr4ut5ihkfj
kirill115 [55]
It’s B dksmejnsjejwkwmwkwm
3 0
2 years ago
Two numbers are in the ratio 3:7
lbvjy [14]

Answer:

98 And 18 i think

Step-by-step explanation:

8 0
3 years ago
Melanie's car payment was $511 a month. She also paid $159 a month for insurance. How much does Melanie spend in 12 months on he
Georgia [21]

Answer:

$8040 spent on her car and insurance payments.

Step-by-step explanation:

511 + 159 = 670

670 times 12 = 8040

7 0
3 years ago
Read 2 more answers
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