3 years ago

Work out an estimate for the value of 41.2 x 19.8 ——————- 0.49

Mathematics

1 answer:

frez [133]3 years ago

3 0

Answer:

820

Step-by-step explanation:

41.2 * 19.8 = 41 *20 = 820

41.2

In this tenth value is 2 which is less than 5. So ignore it and write the whole number alone. 41

19.8

In this tenth value is 8 awhich greater than 5. So add 1 to whole part and write.

19+1 = 20

You might be interested in

Write an expression equivalent to

Crazy boy [7]

Answer:

Step-by-step explanation:

2x6²( = 2x36 ) = 72

8 0

3 years ago

Uma wants to buy a video game system for $270. She has $60 and is saving $30 each week. Solve the equation 30w + 60 = 270 to fin

Damm [24]

Answer:

C.7 weeks

Step-by-step explanation:

Subtract 60 on both sides then you get: 30w=210, then divide both sides and you get w=7, so it'll take 7 weeks

8 0

3 years ago

Read 2 more answers

Find the value of<br> 3a²-4ab-26² when A= -1 and b-4

nata0808 [166]

Answer:

-657

Step-by-step explanation:

$a= -1\\b= 4\\$

Substituting the value of a and b

$3a^{2}-4ab-26^{2} \\3(-1)^{2} -4(-1)(4)-676\\3-4(-4)-676\\3+16-676\\19-676\\-657$

The value of 3a²-4ab-26² is -657

4 0

4 years ago

Please answer this correctly

zmey [24]

Answer:

3/7 chance

Step-by-step explanation:

There are 3 numbers that are even out of the 7 numbers on the spinner.

This means that there is a 3/7 chance spinning an even number.

5 0

3 years ago

Janet wants to purchase a new car. At the car dealership, a salesperson tells her she can choose from 10 car models, 7exterior c

nydimaria [60]

uhh isnt it just 10×7×9=630

6 0

3 years ago

Read 2 more answers