454
189 rounded up to the nearest 100 number would be 200; 200 subtracted from 643 = 443 , 200 - 189 454
450
When a number is 0, 1, 2, 3 or 4 it rounds down. When a number is 5, 6, 7, 8 or 9 it rounds up. In the case of 454 the tens digit is a 5 so you round up. The answer is 500 grams.
454 + 454 + 454 + 454 + 454 + 454 = 2724
One pound = 454 grams (rounded).
1 lb. = 454 g
450
Stepwise calculations:> US nickels weigh 5 gm each.> An American pound is 453.6 gm so five pounds would be 5 * 453.6 = 2268 gm.> 2268 / 5, rounded to the nearest whole number, is 454> 454 nickels is worth 454 * $0.05 = $22.70More intuitively:Because a nickel weighs 5 gm there are as many nickels in 5 pounds as there are grams in 1 pound, or 454 (rounded). So like before, 454 * $0.05 = $22.70
454
500
454 rounded to the nearest ten is 450. Since 5 is in the tens place, you round 54 down to 50 because the 4 is not 5 or greater than 5.
189 rounded up to the nearest 100 number would be 200; 200 subtracted from 643 = 443 , 200 - 189 454
There are 9 numbers that fit the description. 455,456,457,458,459,461,462,453 and 454.
454 rounds to:0 to the nearest thousand500 to the nearest hundred450 to the nearest thousand
No. 1 pound equals 454 grams.(this number is rounded, the actual value is 453,59237)
Current US bills (notes) weigh exactly one gram regardless of denomination. There are 454 grams (rounded to the nearest whole number) in one US pound. Therefore, one pound of US $20 bills would be worth $9,080!